Research ethics

Introduction to Social Research Methodology

Author
Affiliation

Ben Stanley

Department of Social Sciences, SWPS University

Published

November 3, 2026

Foundations of research ethics

Why research ethics matters

Social research studies people — their behaviour, opinions, relationships, and data — and so every study, however modest, is an intervention in someone’s life. Research ethics is the discipline of making sure that intervention is defensible. It protects three things simultaneously. First, it protects participants: their rights, dignity, and well-being. Second, it protects the research itself, because data obtained through fear, pressure, or deception is usually bad data — people who do not feel safe do not tell the truth. Third, it protects the reputation of research: every ethical scandal makes participants warier and the next study harder to conduct, for everyone.

In organisational settings the stakes are concrete rather than abstract. An employee survey run badly can damage trust, morale, and individual careers, not merely a dataset. Ethics is therefore not a bureaucratic hurdle to be cleared before the “real” research begins; it is part of what makes the research real (Babbie, 2017).

Figure 1 summarises the argument: every study is an intervention in someone’s life, and ethics protects participants, the research itself and the reputation of research at once. The three stand or fall together; at Meridian, a badly run employee survey damages trust, morale and careers, not just a dataset.

Why research ethics matters: three things it protects A banner: social research studies people, so every study is an intervention in someone’s life, however small. Ethics protects three things at once, shown as three cards. Participants: their rights, dignity and well-being. The research itself: data obtained through fear or deception is usually bad data, because a frightened employee tells you what is safe, not what is true. The reputation of research: every scandal makes participants warier and the next study harder for everyone, because trust is a commons. A bracket joins the three: they stand or fall together. At Meridian: an employee survey run badly can damage trust, morale and careers, not just a dataset. In short: ethics is not a hurdle before the real research begins; it is part of what makes the research real (Babbie, 2017). Social research studies people — so every study is an intervention in someone’s life, however small ETHICS PROTECTS THREE THINGS AT ONCE Participants their rights, dignity and well-being The research itself data obtained through fear or deception is usually bad data: a frightened employee tells you what is safe, not what is true The reputation of research every scandal makes participants warier and the next study harder for everyone: trust is a commons the three stand or fall together AT MERIDIAN An employee survey run badly can damage trust, morale and careers — not just a dataset. IN SHORT Ethics is not a hurdle before the “real” research begins; it is part of what makes the research real (Babbie, 2017).
Figure 1: Why research ethics matters: three things it protects.

Key principles of research ethics

Modern research ethics rests on a small set of principles, first codified in medical research (most influentially in the Belmont Report of 1979) and now standard across the social sciences.

Principle What it demands
Respect for persons Treat participants as autonomous agents, never as mere material for the study
Autonomy People decide for themselves whether to take part
Beneficence The research should do good
Nonmaleficence At a minimum, the research must avoid doing harm
Justice Risks and benefits must be fairly distributed; the risks must not be loaded onto the powerless

These abstractions become practical through five working rules — voluntary participation, informed consent, no harm, privacy protection, and a near-prohibition on deception — which the next section takes in turn.

Figure 2 shows how the principles relate. Respect for persons is the master principle, and autonomy flows from it; beneficence and nonmaleficence are two different demands, since a study can help no one while harming no one, or produce valuable knowledge while harming its participants. The panel on the right lists the five working rules through which the abstractions become practice.

Five principles of research ethics, and the five working rules that put them into practice First codified in medicine, through the Nuremberg Code and then the Belmont Report of 1979, and now standard across the social sciences. Five principles, one per row. Respect for persons, the master principle: treat participants as autonomous agents, never as mere material for a study. Autonomy, which flows from respect: people decide for themselves whether to take part. Beneficence: the research should do good. Nonmaleficence: at an absolute minimum, the research must avoid doing harm; a bracket marks beneficence and nonmaleficence as two different demands. Justice: share risks and benefits fairly; never load the risks onto the powerless. An arrow leads to the five working rules, how the abstractions become practice: voluntary participation, informed consent, no harm, privacy, and deception, which is a near-prohibition. First codified in medicine — the Nuremberg Code, then the Belmont Report (1979) — and now standard across the social sciences Respect for persons the master principle treat participants as autonomous agents, never as mere material for a study Autonomy flows from respect people decide for themselves whether to take part Beneficence the research should do good Nonmaleficence at an absolute minimum, the research must avoid doing harm two different demands Justice share risks and benefits fairly; never load the risks onto the powerless FIVE WORKING RULES how the abstractions become practice 1 Voluntary participation 2 Informed consent 3 No harm 4 Privacy 5 Deception a near-prohibition
Figure 2: Five principles of research ethics, and the five working rules that put them into practice.

Core ethical principles

Voluntary participation

No one may be required to take part in research: participation must be a free choice, made without pressure or penalty. Voluntariness has two corollaries that are often forgotten. Participants retain the right to decline any individual question, and the right to withdraw at any point, without giving a reason and without consequence.

The test of voluntariness is not whether the researcher said participation was voluntary, but whether a reasonable participant would feel free to refuse. This is why researchers must watch for soft coercion: course credit, gift vouchers, or a boss’s “encouragement” can make refusal feel costly even when no explicit threat is made. In the workplace, voluntariness is the principle that comes under the greatest strain — a point developed at length in the organisational section below.

Figure 3 reads from left to right and top to bottom: the free choice runs through every stage of a study, from agreeing to take part to withdrawing at any point; the test is whether a reasonable participant would feel free to refuse; and soft coercion puts a price on refusal without any threat being made.

Voluntary participation: a free choice at every stage, the test, and soft coercion A free choice at every stage, along a timeline. Before: take part or not, without pressure and without penalty. During: decline any question, because agreeing to a survey is not agreeing to answer everything. At any point: withdraw, without giving a reason and without consequence. The test: not whether we said participation was voluntary, but whether a reasonable participant would feel free to refuse. Soft coercion: no threat is made, yet refusal now has a price. Examples: course credit, a gift voucher, the boss’s cheerful “I hope everyone will take part”. Refusal feels costly, in money, convenience or how one is seen. Hold that thought: in the workplace, voluntary is the principle that comes under the greatest strain, and the final section of the lecture returns to it. A FREE CHOICE — AT EVERY STAGE BEFORE Take part — or not without pressure and without penalty DURING Decline any question agreeing to a survey is not agreeing to answer everything AT ANY POINT Withdraw without giving a reason, and without consequence THE TEST “We said participation was voluntary.” not the test “Would a reasonable participant feel free to refuse?” the test SOFT COERCION no threat is made — yet refusal now has a price Course credit A gift voucher The boss’s cheerful “I hope everyone will take part” Refusal feels costly — in money, convenience or how one is seen HOLD THAT THOUGHT In the workplace, “voluntary” comes under the greatest strain — the final section returns to it.
Figure 3: Voluntary participation: a free choice at every stage, the test, and soft coercion.

No harm to participants

Research must not leave participants worse off, and in social research harm is rarely physical. The harms to anticipate are psychological (distress, embarrassment, reawakened trauma), social (damaged reputation or relationships if answers become known), and economic (consequences for a job, promotion, or benefits).

The researcher’s duty is to anticipate harm through risk assessment before the study begins, not to apologise for it afterwards. The standard mitigation tools are careful question design, debriefing participants after the study, signposting sources of support, and — above all — protecting what participants disclose. An organisational example makes the point: asking employees to rate their manager is harmless only if the manager can never trace an answer back to its author.

Figure 5 shows the three kinds of harm, notes that social and economic harm usually follow from a failure of protection afterwards, and sets anticipation (a risk assessment before the study, leading to the mitigation tools) against apologising afterwards.

No harm to participants: three kinds of harm, and the duty to anticipate them Three kinds of harm to anticipate, rarely physical. Psychological: distress, embarrassment, reawakened trauma, for example being asked in detail about a bereavement or a redundancy. Social: damaged reputation or relationships if answers become known. Economic: consequences for a job, a promotion or benefits. A bracket over social and economic harm: usually caused not by the questions but by a failure of protection afterwards. Anticipate, don’t apologise: before the study, a risk assessment asks what could go wrong for participants; it leads to the mitigation tools, careful question design, debriefing, signposting support and, above all, protecting what participants tell you. At work: asking employees to rate their manager is harmless only if the manager can never trace an answer back to its author. THREE KINDS OF HARM TO ANTICIPATE — RARELY PHYSICAL Psychological distress, embarrassment, reawakened trauma e.g. being asked in detail about a bereavement or a redundancy Social damaged reputation or relationships if answers become known Economic consequences for a job, a promotion or benefits usually caused not by the questions, but by a failure of protection afterwards ANTICIPATE, DON’T APOLOGISE Before the study: a risk assessment — what could go wrong for them? Mitigation tools careful question design debriefing signposting support above all: protecting what participants tell you AT WORK Asking employees to rate their manager is harmless only if the manager can never trace an answer back to its author.
Figure 5: No harm to participants: three kinds of harm, and the duty to anticipate them.

Privacy, anonymity, confidentiality

Three related terms are frequently confused, and the distinctions matter (Babbie, 2017):

Term What it means
Privacy The participant’s right to control what they reveal about themselves, and when
Anonymity Not even the researcher can link a given response to a given person
Confidentiality The researcher could identify respondents, but promises not to reveal identities

Most surveys described as “anonymous” are in fact merely confidential: if the researcher could work out who answered — from an email invitation, an IP address, or a combination of background questions — the study should not be described as anonymous. The practical protections are pseudonyms, aggregated reporting, encryption, secure storage, and separating identifying information from responses as early as possible.

Figure 6 draws the three terms. Privacy concerns the boundary itself: what the participant chooses to reveal. Anonymity is a property of the data: there is no link between person and response, not even for the researcher. Confidentiality is a property of the researcher’s conduct: the link exists, but it is kept locked. The warning underneath names the commonest mislabelling.

Privacy, anonymity and confidentiality: three terms that are not interchangeable Three panels. Privacy, about the boundary itself: the participant’s right to control what they reveal about themselves, and when; the pictogram shows a person inside a boundary, revealing only if they choose. Anonymity, a property of the data: not even the researcher can link a response to a person; the line between person and response is broken. Confidentiality, a property of the researcher’s conduct: the researcher could identify respondents, but promises not to reveal identities; the person and the response are linked, but the link is kept locked. A warning: most anonymous surveys are only confidential. Send invitations by personalised e-mail link and you can link responses to people; if you could work out who answered, do not call it anonymous, and never claim anonymity you cannot deliver. Protections in practice: pseudonyms, aggregated reporting, encryption, secure storage, and identifiers separated from responses early. reveals if they choose Privacy about the boundary itself the participant’s right to control what they reveal about themselves, and when no link — not even for the researcher Anonymity a property of the data not even the researcher can link a response to a person linked — but kept locked Confidentiality a property of the researcher’s conduct the researcher could identify respondents, but promises not to reveal identities MOST “ANONYMOUS” SURVEYS ARE ONLY CONFIDENTIAL Send invitations by personalised e-mail link and you can link responses to people. If you could work out who answered, do not call it anonymous — never claim anonymity you cannot deliver. PROTECTIONS IN PRACTICE pseudonyms aggregated reporting encryption secure storage identifiers separated from responses early
Figure 6: Privacy, anonymity and confidentiality: three terms that are not interchangeable.

Deception

Deception means misleading participants about the purpose or nature of the research, whether by active lying or by concealment. It is sometimes argued to be necessary: telling people you are studying honesty changes how honestly they behave. But deception directly violates informed consent, so it carries a heavy burden of justification. It may be considered only when the research question has real value and cannot be answered any other way, when the risk of harm is minimal, and when participants are fully debriefed afterwards.

Deception is indefensible when it hides real risks from participants, when an honest design would have answered the question, or when the deceived can never be told. Covert observation — watching people who do not know they are being studied — is deception’s close cousin and is judged by exactly the same test.

Figure 7 pairs each condition under which deception may be considered with its mirror image, the case in which deception is indefensible: an honest design would have worked, real risks are hidden, or the deceived can never be told.

Deception: the case for and against, and the conditions that decide it Definition: deception is misleading participants about the purpose or nature of the research, by lying or by concealment. The case for it: for some questions, disclosure destroys the phenomenon; tell people you are studying honesty and they behave differently. The case against: it directly violates informed consent, because no one can consent to what has been hidden; hence a heavy burden of justification. It may be considered only if all three conditions hold: the question has real value and cannot be answered any other way; the risk of harm is minimal; participants are fully debriefed afterwards. Flip each condition and deception is indefensible: when an honest design would have answered the question; when it hides real risks from participants; when the deceived can never be told. Covert observation, watching people who do not know they are being studied, is deception’s close cousin and is judged by exactly the same test. Deception: misleading participants about the purpose or nature of the research — by lying, or by concealment THE CASE FOR IT For some questions, disclosure destroys the phenomenon: tell people you are studying honesty, and they behave differently. THE CASE AGAINST It directly violates informed consent: no one can consent to what has been hidden. Hence a heavy burden of justification. MAY BE CONSIDERED ONLY IF ALL THREE HOLD The question has real value and cannot be answered any other way The risk of harm is minimal Participants are fully debriefed afterwards INDEFENSIBLE WHEN An honest design would have answered the question It hides real risks from participants The deceived can never be told flip each condition COVERT OBSERVATION Watching people who do not know they are being studied: deception’s close cousin, judged by exactly the same test.
Figure 7: Deception: the case for and against, and the conditions that decide it.

Cautionary tales and the rise of ethical review

The classic cases

The modern ethics-review system was not designed in the abstract; it was built in response to specific studies that went wrong. Five are worth knowing as historical anchors.

Figure 8 places them, and the more recent Facebook study discussed below, on one timeline, together with the institutional response they provoked.

Five cautionary tales on a timeline, 1932 to 2014 A timeline from the 1930s to the 2010s: the studies that broke the rules and built the modern review system. Bars show the Tuskegee syphilis study, 1932 to 1972, and the Guatemala syphilis study, 1946 to 1948, unearthed only in 2010; both violated justice, because the powerless bore the risk. Points mark Milgram’s obedience experiment, 1961 (deception and severe distress), Tearoom Trade, 1970 (covert observation and privacy), and the Stanford Prison Experiment, 1971 (consent, and harm left to run). An arrow leads from the end of Tuskegee to the Belmont Report, 1979, and the modern system of independent ethical review. Last, the Facebook emotional contagion study, 2014: consent by checkbox, and the story is not over. The studies that broke the rules — and built the modern review system 1930 1940 1950 1960 1970 1980 1990 2000 2010 Tuskegee syphilis study, 1932–1972 Guatemala, 1946–1948 unearthed only in 2010 justice: the powerless bore the risk Milgram, 1961 deception; severe distress Stanford Prison, 1971 consent; harm left to run Tearoom Trade, 1970 covert observation; privacy Belmont Report, 1979 and the modern system of independent ethical review Facebook, 2014 consent by checkbox the story is not over
Figure 8: The cautionary tales on a timeline, 1932 to 2014.
Study What happened The breach The lesson
Milgram obedience experiment (1961) Participants believed they were delivering painful electric shocks to another person; many were severely distressed yet urged to continue Deception about the study’s nature; intense psychological stress without warning Protect participants from severe distress even in simulated settings
Stanford Prison Experiment (1971, Zimbardo) Students role-playing guards and prisoners descended into abuse and extreme distress; halted after six days of a planned fourteen Consent did not cover risks of this kind; harm was allowed to continue once visible The duty of care runs throughout the study; stop when harm emerges
Tuskegee syphilis study (1932–1972) The U.S. Public Health Service observed untreated syphilis in African-American men who were never told their diagnosis and were denied penicillin once it became the standard cure Exploitation of a vulnerable population; no consent; deliberate denial of treatment The precise violation of justice: the powerless bearing all the risk for none of the benefit
Guatemala syphilis study (1946–1948) Researchers deliberately infected prisoners, soldiers, and psychiatric patients without consent; unearthed in 2010, prompting formal U.S. government apologies Deliberate infliction of harm on people unable to refuse Never compromise on informed consent, above all with vulnerable populations
Tearoom Trade (1970, Humphreys) Humphreys covertly observed men’s sexual encounters in public restrooms, recorded number plates, traced home addresses, and interviewed the men under a false pretext Deception combined with a profound violation of privacy Covert observation plus identifiable records compounds one violation with another

A sixth, recent case shows that digital settings do not suspend the rules. In the Facebook emotional contagion study (2014), Facebook and researchers from Cornell and UCSF manipulated the news feeds of roughly 700,000 users to test whether emotional states spread through networks — without informed consent, on the strength of a terms-of-service clause. The public outrage that followed established that a terms-of-service checkbox is not informed consent, and posed a question directly relevant to management: A/B tests on customers and analytics on employees raise the same issue of when routine business practice becomes research on unwitting subjects.

Public reaction to Tuskegee in particular led directly to the Belmont Report (1979) and the modern apparatus of ethical review.

The lecture presents each case as a case file, in a common layout, reproduced below.

Milgram’s obedience experiment (1961)

Figure 9 reads like the other four case files: on the left the year, researcher and aim, with the principles breached marked in red (here deception and no harm); on the right what was done, the breach, the consequence and the lesson.

Milgram’s obedience experiment, 1961: case file Case file: 1961, Stanley Milgram at Yale; aim: explore the limits of obedience to authority. Principles breached: deception and no harm. What was done: participants believed they were giving painful electric shocks to a learner in the next room, in fact an actor; many were visibly distressed, yet were urged to continue. The breach: deception about the study’s true nature, and intense psychological stress inflicted without warning; many learned something about themselves they had never agreed to learn. The consequence: lasting criticism of deceptive practice, one of the founding controversies of modern research ethics. The lesson: protect participants from severe distress even in simulated settings, and never let scientific value excuse the means by default. CASE FILE 1961 Stanley Milgram, Yale Aim: explore the limits of obedience to authority PRINCIPLES BREACHED Voluntary participation Informed consent No harm Privacy Deception Justice WHAT WAS DONE Participants believed they were giving painful electric shocks to a learner in the next room — in fact an actor. Many were visibly distressed, yet were urged to continue: “the experiment requires that you continue”. THE BREACH Deception about the study’s true nature, and intense psychological stress inflicted without warning: many learned something about themselves they had never agreed to learn. No harm Deception THE CONSEQUENCE Lasting criticism of deceptive practice — one of the founding controversies of modern research ethics. THE LESSON Protect participants from severe distress even in simulated settings, and never let scientific value excuse the means by default.
Figure 9: Milgram’s obedience experiment, 1961: case file.

The Stanford Prison Experiment (1971)

Figure 10 marks informed consent and no harm: consent to a role-play did not cover risks of this kind, and the harm was allowed to continue once visible, until an outside observer ended the study.

The Stanford Prison Experiment, 1971: case file Case file: 1971, Philip Zimbardo at Stanford; aim: understand the psychological effects of perceived power. Principles breached: informed consent and no harm. What was done: students were randomly assigned as guards or prisoners in a mock prison for a planned two weeks; the guards became abusive and the prisoners broke down. The breach: consent to a role-play did not cover risks of this kind, and once the harm was visible the study was allowed to continue; the researcher had, in effect, joined the experiment. The consequence: halted after six days of a planned fourteen, and ended by an outside observer, not the researcher: one origin of the case for independent oversight. The lesson: the duty of care does not pause once the study is running; monitor well-being throughout, and stop the study when harm emerges. CASE FILE 1971 Philip Zimbardo, Stanford Aim: understand the psychological effects of perceived power PRINCIPLES BREACHED Voluntary participation Informed consent No harm Privacy Deception Justice WHAT WAS DONE Students were randomly assigned as guards or prisoners in a mock prison, for a planned two weeks. The guards became abusive; the prisoners broke down. THE BREACH Consent to a role-play did not cover risks of this kind — and once the harm was visible, the study was allowed to continue. The researcher had, in effect, joined the experiment. Informed consent No harm THE CONSEQUENCE Halted after six days of a planned fourteen — and ended by an outside observer, not the researcher: one origin of the case for independent oversight. THE LESSON The duty of care does not pause once the study is running: monitor well-being throughout, and stop the study when harm emerges.
Figure 10: The Stanford Prison Experiment, 1971: case file.

Tuskegee and Guatemala

Figure 11 marks four principles, the most of any case: justice, informed consent, no harm and deception. It is the purest violation of justice, with the powerless bearing all the risk for none of the benefit.

The Tuskegee and Guatemala syphilis studies: case file Case file: Tuskegee, 1932 to 1972, and Guatemala, 1946 to 1948, both involving the U.S. Public Health Service; aims: observe untreated syphilis, and study penicillin as a treatment. Principles breached: justice, informed consent, no harm and deception. What was done: in Tuskegee, African-American men were never told their diagnosis, only that they were being treated for bad blood, and were denied penicillin once it became the standard cure; in Guatemala, prisoners, soldiers and psychiatric patients were deliberately infected, without consent. The breach: vulnerable, powerless people bore all of the risk for none of the benefit, the precise violation of justice, with no consent, the truth withheld and treatment denied. The consequence: public outrage over Tuskegee led directly to the Belmont Report of 1979 and the modern ethics-review system; Guatemala was unearthed only in 2010, prompting formal U.S. government apologies. The lesson: never compromise on informed consent, above all with vulnerable populations, people chosen because they could not refuse or complain. CASE FILE Tuskegee 1932–1972 Guatemala 1946–1948 U.S. Public Health Service Aim: observe untreated syphilis; study penicillin as a treatment PRINCIPLES BREACHED Voluntary participation Informed consent No harm Privacy Deception Justice WHAT WAS DONE Tuskegee: African-American men were never told their diagnosis — only that they were being treated for “bad blood” — and were denied penicillin once it became the standard cure. Guatemala: prisoners, soldiers and psychiatric patients were deliberately infected, without consent. THE BREACH Vulnerable, powerless people bore all of the risk for none of the benefit — the precise violation of justice — with no consent, the truth withheld, and treatment denied. Informed consent No harm Deception Justice THE CONSEQUENCE Public outrage over Tuskegee led directly to the Belmont Report (1979) and the modern ethics-review system. Guatemala was unearthed only in 2010, prompting formal U.S. government apologies. THE LESSON Never compromise on informed consent, above all with vulnerable populations — people chosen because they could not refuse or complain.
Figure 11: The Tuskegee and Guatemala syphilis studies: case file.

Tearoom Trade (1970)

Figure 12 marks deception and privacy, and adds what was at stake for the men observed and the workplace parallel: covert watching plus identifying records.

Tearoom Trade, 1970: case file Case file: 1970, Laud Humphreys; aim: study anonymous sexual encounters between men in public restrooms. Principles breached: deception and privacy. What was done: acting as a covert lookout, he observed the encounters, recorded car number plates, traced the men’s home addresses, and later interviewed them under a false pretext. The breach: deception and covert observation, then the linking of what was observed to identities, a profound violation of privacy. The stakes: when exposure could mean prison, unemployment and social ruin, his files held the means to destroy every man in them; their safety rested on his trustworthiness alone. The lesson: covert observation plus identifiable records compounds one violation with another, turning a passing intrusion into a permanent risk. At work: covert watching plus identifying records is exactly what some employee monitoring amounts to. CASE FILE 1970 Laud Humphreys Aim: study anonymous sexual encounters between men in public restrooms PRINCIPLES BREACHED Voluntary participation Informed consent No harm Privacy Deception Justice WHAT WAS DONE Acting as a covert lookout, he observed the encounters, recorded car number plates, traced the men’s home addresses — and later interviewed them under a false pretext. THE BREACH Deception and covert observation, then the linking of what was observed to identities: a profound violation of privacy. Privacy Deception THE STAKES When exposure could mean prison, unemployment and social ruin, his files held the means to destroy every man in them. Their safety rested on his trustworthiness alone. THE LESSON Covert observation plus identifiable records compounds one violation with another: a passing intrusion becomes a permanent risk. AT WORK Covert watching plus identifying records is exactly what some “employee monitoring” amounts to.
Figure 12: Tearoom Trade, 1970: case file.

Facebook emotional contagion (2014)

Figure 13 marks a single principle, informed consent, breached at scale, and draws the parallel with A/B tests on customers and analytics on employees.

The Facebook emotional contagion study, 2014: case file Case file: 2014, Facebook with researchers from Cornell and UCSF; aim: test whether emotional states spread through social networks. Principle breached: informed consent. What was done: the news feeds of about 700,000 users were deliberately manipulated, some seeing fewer positive posts and others fewer negative ones, and their own posting was measured. The breach: no one was asked and no one was told; the only cover was a terms-of-service clause that mentioned research. The consequence: public outrage, and a global debate about the boundaries of research on platforms. The lesson: digital settings do not suspend the rules; a terms-of-service checkbox is not informed consent. At work: A/B tests on customers and analytics on employees raise the same question, when does routine business practice become research on unwitting subjects? CASE FILE 2014 Facebook, with researchers from Cornell and UCSF Aim: test whether emotional states spread through social networks PRINCIPLES BREACHED Voluntary participation Informed consent No harm Privacy Deception Justice WHAT WAS DONE The news feeds of about 700,000 users were deliberately manipulated — some saw fewer positive posts, others fewer negative ones — and their own posting was measured. THE BREACH No one was asked, and no one was told: the only cover was a terms-of-service clause that mentioned “research”. Informed consent THE CONSEQUENCE Public outrage, and a global debate about the boundaries of research on platforms. THE LESSON Digital settings do not suspend the rules: a terms-of-service checkbox is not informed consent. AT WORK A/B tests on customers and analytics on employees raise the same question: when does routine business practice become research on unwitting subjects?
Figure 13: The Facebook emotional contagion study, 2014: case file.

Research integrity

Ethics governs not only how researchers treat participants but how they treat the truth. The three cardinal sins of research conduct are fabrication (inventing data), falsification (distorting data, or cherry-picking what to report), and plagiarism (presenting others’ work as one’s own). The corresponding positive duties are to preserve raw data, report honestly — including unwelcome findings — correct errors promptly and transparently, and disclose conflicts of interest. In organisational research this last duty bites hard: a consultant paid by a sponsor who wants a particular answer has a conflict of interest that must be declared.

Figure 14 sets the three cardinal sins against the four positive duties, and gives three workplace examples of conflicts of interest, whose minimum ethical response is to declare them.

Research integrity: three cardinal sins, four positive duties, and conflicts of interest Ethics also governs how researchers treat the truth, not only how they treat participants. Three cardinal sins: fabrication, inventing data that were never collected; falsification, distorting data or cherry-picking what to report, where no single number is false yet the picture deceives; plagiarism, presenting other people’s work or words as your own. Four positive duties: preserve raw data, so that claims can be checked; report honestly, including the findings you wished you had not found; correct errors promptly and transparently; disclose conflicts of interest, so that readers can weigh the findings. At work, three conflicts of interest: a consultant paid by a sponsor who wants a particular answer; an internal analyst whose bonus depends on the initiative being evaluated; a manager evaluating their own pet project. The minimum response is to declare them: an undeclared conflict turns research into advocacy in research’s clothes. Ethics also governs how researchers treat the truth — not only how they treat participants THREE CARDINAL SINS Fabrication inventing data that were never collected Falsification distorting data, or cherry-picking what to report: no single number is false, yet the picture deceives Plagiarism presenting other people’s work or words as your own POSITIVE DUTIES Preserve raw data so that claims can be checked Report honestly including the findings you wished you had not found Correct errors promptly and transparently Disclose conflicts of interest so that readers can weigh the findings AT WORK: CONFLICTS OF INTEREST A consultant paid by a sponsor who wants a particular answer An internal analyst whose bonus depends on the initiative being evaluated A manager evaluating their own pet project The minimum response: declare them. An undeclared conflict turns research into advocacy in research’s clothes.
Figure 14: Research integrity: three cardinal sins, four positive duties, and conflicts of interest.

Ethics committees and review

The institutional response to the scandals above was independent ethical review before data collection begins. An ethics committee (in the United States, an Institutional Review Board) scrutinises the proposed study: its risks, consent procedures, data-protection arrangements, and any involvement of vulnerable groups. Review is proportionate — a low-risk anonymous CAWI survey receives lighter scrutiny than covert observation or research with children.

The deeper value of review is the discipline of justification: writing the application forces the researcher to confront the risks of their own design. Organisations rarely have formal ethics committees, which is exactly why a manager-researcher must internalise the reviewer’s questions and apply them to their own proposals. A useful rule of thumb: if you would be uncomfortable defending your design to an independent reviewer — or seeing it described in the press — redesign it.

Figure 15 shows where review sits (between design and data collection), the four questions a committee asks, the scale of proportionate scrutiny, and the two lessons for organisations: the deeper value of review is the discipline of justification, and where there is no committee the researcher must ask its questions.

Ethics committees and review: what they check, proportionate scrutiny, and what to do without one A flow: design the study, then independent ethical review by an ethics committee (in the US, an Institutional Review Board or IRB), then collect data, only after review. The committee asks four questions: risks, what are they and to whom; consent, is it informed and voluntary; data protection, how will data be kept safe; vulnerable groups, what extra safeguards. Proportionate scrutiny, shown as a scale from light touch to full review: a low-risk anonymous CAWI survey of adults about their shopping habits at the light end; covert observation, deception designs and research with children at the full end. Scrutiny is matched to the risk, not designed to obstruct. The deeper value: the discipline of justification, because writing the application forces you to confront your own design’s risks, and researchers routinely find their flaws at exactly that moment. No committee? Be the committee: organisations rarely have ethics committees, so the manager-researcher must ask the reviewer’s questions of their own design. Rule of thumb: if you would be uncomfortable defending it to a reviewer, or seeing it in the press, redesign it. Design the study INDEPENDENT ETHICAL REVIEW an ethics committee — in the US, an Institutional Review Board (IRB) Risks what are they, and to whom? Consent informed and voluntary? Data protection how will data be kept safe? Vulnerable groups what extra safeguards? Collect data only after review PROPORTIONATE SCRUTINY light touch full review A low-risk anonymous CAWI survey of adults about their shopping habits Covert observation, deception designs, research with children matched to the risk — not designed to obstruct THE DEEPER VALUE The discipline of justification Writing the application forces you to confront your own design’s risks — researchers routinely find their flaws at exactly that moment. NO COMMITTEE? BE THE COMMITTEE Organisations rarely have ethics committees, so the manager-researcher must ask the reviewer’s questions of their own design. Rule of thumb: uncomfortable defending it to a reviewer, or seeing it in the press? Redesign it.
Figure 15: Ethics committees and review: what they check, proportionate scrutiny, and what to do without one.

Ethics in organisational research

The manager as researcher

Everything in the preceding sections quietly assumed a researcher with no power over participants. In organisational research that assumption fails. A manager researching subordinates holds power over their pay, promotion, workload, and continued employment, and this power asymmetry contaminates every principle at once: voluntariness (can they really refuse?), the honesty of the data (will they tell a powerful person the truth?), and the avoidance of harm (a careless finding can follow someone through their career).

Employees are, in this specific sense, a vulnerable population in workplace research — not because they lack the capacity to consent, but because both refusal and candour carry risk for them. For Meridian, the running case, this means that when the board asks the research team to survey staff about why colleagues quit, the team’s first design question is ethical rather than statistical.

Figure 16 draws the power asymmetry, from the manager’s control over pay, promotion, workload and continued employment to the team who are also the participants, and the three principles it contaminates at once.

The manager as researcher: power asymmetry and the principles it contaminates Power asymmetry: a manager above a row of subordinates, who are also the participants, with an arrow labelled with what the manager holds power over: pay, promotion, workload and continued employment. This contaminates every principle at once. Voluntariness: can they really refuse the person who writes their performance review? Honesty of data: will they tell a powerful person the truth, or what is safe to say? No harm: a careless finding can follow a named person through their career. Employees are therefore a vulnerable population, not because they lack the capacity to consent, but because both refusal and candour carry risks they did not choose; the coerced study is also a biased study. At Meridian: the board asks the team to survey staff about why colleagues quit, and the first design question is ethical, not statistical: who will ask, who will know, who could be hurt? POWER ASYMMETRY Manager pay promotion workload continued employment subordinates — and participants Voluntariness can they really refuse the person who writes their performance review? Honesty of data will they tell a powerful person the truth — or what is safe to say? No harm a careless finding can follow a named person through their career EMPLOYEES: A VULNERABLE POPULATION Not because they lack the capacity to consent, but because both refusal and candour carry risks they did not choose. The coerced study is also a biased study. AT MERIDIAN The board asks the team to survey staff about why colleagues quit. The first design question is ethical, not statistical: who will ask, who will know, who could be hurt?
Figure 16: The manager as researcher: power asymmetry and the principles it contaminates.

Employee monitoring and covert observation at work

Employers can often lawfully monitor email, chat, and CCTV — but “the employer may monitor” does not mean “the researcher may study”. Purpose matters: data collected for security or operational reasons, silently repurposed for research, bypasses consent entirely. Covert observation of employees inherits the full burden of deception and is justifiable only if the question is important, no open design would work, harm is minimal, and disclosure follows. Most workplace research questions fail that test: communication, morale, and teamwork can almost always be studied openly. The Humphreys lesson applies directly — covert watching combined with identifiable records is the worst possible combination.

Figure 18 shows lawful monitoring silently repurposed as research, the four conditions of the covert test (most workplace questions fail the second), and the Humphreys lesson. Its test case, reading a team’s chat history, is answered in the lecture: it breaches consent, purpose limitation and privacy, and arguably no harm, and the fix is to announce the study, obtain consent, and anonymise and aggregate before analysis, at which point it is no longer covert.

Employee monitoring and covert observation: may monitor is not may study, and the covert test The employer may monitor, but that does not mean the researcher may study. Lawful monitoring of email, chat and CCTV for security or operations, silently repurposed as research, bypasses consent entirely, because nobody was ever asked: purpose matters. The covert test: covert observation of employees is justifiable only if all four conditions hold: the question is important; no open design would work; harm is minimal; disclosure follows. The second gate is circled: most workplace questions fail here, because communication, morale and teamwork can almost always be studied openly. Remember Humphreys: covert watching plus identifiable records is the worst combination, and workplace monitoring is that combination by default. Test yourself: studying team communication by silently reading the team’s chat history; which principles does it breach, and could any safeguard fix it? THE EMPLOYER MAY MONITOR ≠ THE RESEARCHER MAY STUDY Lawful monitoring email, chat, CCTV for security or operations silently repurposed purpose matters Research bypasses consent entirely: nobody was ever asked THE COVERT TEST: JUSTIFIABLE ONLY IF ALL FOUR HOLD 1 The question is important 2 No open design would work 3 Harm is minimal 4 Disclosure follows Most workplace questions fail here: communication, morale and teamwork can almost always be studied openly. REMEMBER HUMPHREYS covert watching + identifiable records = the worst combination — and workplace monitoring is that combination by default TEST YOURSELF Studying “team communication” by silently reading the team’s chat history: which principles does it breach — and could any safeguard fix it?
Figure 18: Employee monitoring and covert observation: may monitor is not may study, and the covert test.

Insider research

Insider research means studying the organisation you belong to: the manager, HR analyst, or student researching their own workplace. Its advantages are real — access, context, trust, and an insider’s understanding of what things mean. Its ethical hazards are equally real. There is role confusion: is this conversation a chat between colleagues or data collection? There is prior knowledge: the insider knows things participants never consented to have used as data. And there is the exit problem: the research ends, but the researcher still works there, holding what they learned.

The safeguards are to make the researcher role explicit and visible, keep clear consent boundaries around what counts as data, and agree what will happen to findings before collecting them. Colleagues’ friendliness is not consent: an insider must ask more formally, not less, precisely because the relationship blurs the line.

Figure 19 reads down each column: an advantage of insider research, the ethical shadow it casts, and the safeguard that answers it.

Insider research: each advantage casts an ethical shadow, and each shadow has a safeguard Insider research means studying the organisation you belong to: the manager, HR analyst or student researching their own workplace. Three columns. Access, what an outsider could never negotiate, casts the shadow of role confusion: is this a chat between colleagues or data collection, and do they know which? Safeguard: make the researcher role explicit and visible, so colleagues always know when the researcher hat is on. Context, an insider’s understanding of what things mean, casts the shadow of prior knowledge: you know things participants never consented to have used as data. Safeguard: draw consent boundaries, so only what is gathered in declared research counts, never the lunchtime confidence. Trust of colleagues who know you casts the shadow of the exit problem: the research ends, but you still work there, holding what you learned. Safeguard: agree what happens to the findings, who sees them and in what form, before collecting them. Underneath: colleagues’ friendliness is not consent; an insider must ask more formally than a stranger, not less. Insider research: studying the organisation you belong to — the manager, HR analyst or student researching their own workplace Access ADVANTAGE what an outsider could never negotiate Context ADVANTAGE an insider’s understanding of what things mean Trust ADVANTAGE of colleagues who know you Role confusion SHADOW is this a chat between colleagues, or data collection — and do they know which? Prior knowledge SHADOW you know things participants never consented to have used as data The exit problem SHADOW the research ends, but you still work there, holding what you learned SAFEGUARD Make the researcher role explicit and visible: colleagues always know when the researcher hat is on SAFEGUARD Draw consent boundaries: only what is gathered in declared research counts — never the lunchtime confidence SAFEGUARD Agree what happens to the findings — who sees them, in what form — before collecting them Colleagues’ friendliness is not consent: an insider must ask more formally than a stranger, not less
Figure 19: Insider research: each advantage casts an ethical shadow, and each shadow has a safeguard.

Confidentiality in small teams

The standard survey promise — “responses are anonymous and reported only in aggregate” — quietly breaks in small groups. In a six-person team, “the two people dissatisfied with management” are identifiable to any manager who knows the team, without any names being collected. Deductive disclosure is the general form of the problem: individuals can be identified by combining attributes (role by tenure by department can single a person out) even when no identifier appears in the data.

Figure 20 shows the problem: a manager who knows a six-person team can identify “the two dissatisfied” without any names, and deductive disclosure narrows all staff, crossed with department, tenure and role, down to one person.

Confidentiality in small teams: how a promise of anonymity breaks without any names The promise that breaks: responses are anonymous and reported only in aggregate. A manager who knows the team stands above a team of six, two of whom are marked: the two dissatisfied with management are identifiable in fact, with no names needed. Deductive disclosure, identification by combining attributes, drawn as a funnel: all staff, then crossed with department, then with tenure, then with role, leaves one person. At Meridian: the e-commerce unit has seven staff; reporting its engagement score separately identifies no one by name, and everyone in fact. THE PROMISE THAT BREAKS “Responses are anonymous and reported only in aggregate.” Manager knows the team ! ! a team of six: “the two dissatisfied with management” identifiable in fact — no names needed DEDUCTIVE DISCLOSURE identification by combining attributes all staff × department × tenure × role one person no single field identifies anyone — the combination does AT MERIDIAN The e-commerce unit has seven staff. Reporting its engagement score separately identifies no one by name — and everyone in fact.
Figure 20: Confidentiality in small teams: how a promise of anonymity breaks without any names.
Safeguard How it works
Minimum cell size Report results only for groups above a threshold (commonly n ≥ 10); suppress smaller groups
Coarsening Merge departments, band tenure, drop fine-grained background questions
Care with open text Never report verbatim comments with group labels attached — writing style itself identifies

The cardinal rule is to never promise more protection than you can deliver: a broken promise of anonymity does more damage than an honest promise of limited confidentiality. In the Meridian case, the e-commerce unit has seven staff — reporting its engagement score separately identifies no one by name, and everyone in fact.

Figure 21 illustrates the three safeguards and the cardinal rule: groups below the minimum cell size are suppressed or merged, fine categories are coarsened into bands, and quoted comments never carry group labels.

Small teams: three safeguards and the cardinal rule Three safeguards. One, minimum cell size: report only groups above a threshold, commonly n of 10 or more, and suppress or merge anything smaller; a group of ten is reported, a team of six is suppressed or merged. Two, coarsen categories: merge small departments, band tenure, and drop background questions you do not truly need; exact years of service become a few bands. Three, care with open text: never report comments verbatim with group labels attached, because prose style identifies people as surely as names; the group label on a quoted comment is struck out. The cardinal rule: never promise more protection than you can deliver. A broken promise of anonymity does double damage, to the people exposed and to every future study, because the organisation remembers. If you cannot guarantee anonymity, say confidential, and explain exactly who will see what. 1 Minimum cell size Report only groups above a threshold — commonly n ≥ 10 — and suppress or merge anything smaller. report suppress or merge 10 or more a team of six 2 Coarsen categories Merge small departments, band tenure, and drop background questions you do not truly need. exact years of service a few bands 3 Care with open text Never report comments verbatim with group labels attached: prose style identifies people as surely as names. “…” group label THE CARDINAL RULE Never promise more protection than you can deliver. A broken promise of anonymity does double damage — to the people exposed, and to every future study, because the organisation remembers. If you cannot guarantee anonymity, say “confidential”, and explain exactly who will see what.
Figure 21: Small teams: three safeguards and the cardinal rule.

The ethics of using customer data

Organisations hold rich customer data — transactions, loyalty-card histories, complaints, browsing behaviour — and it is tempting research material. But customers consented to a purchase, not to being research subjects: re-use of their data for research is a new purpose that needs its own justification. Three questions should be asked before touching customer data. Can the analysis run on anonymised or aggregated data (usually it can)? Would customers be surprised to learn their data was used this way? Does the study create new risks for them — profiling, discrimination, exposure? The Facebook study marks the boundary: routine product analytics shades into human-subjects research the moment the organisation manipulates customers’ experience or studies identifiable individuals rather than aggregates.

Figure 22 shows why re-using customer data for research is a new purpose, the three questions to ask before touching it, and the spectrum from aggregate business intelligence to human-subjects research, on which the Facebook study sits at the far end.

The ethics of using customer data: a new purpose, three questions, and where analytics becomes research Customer data, such as transactions, loyalty cards, complaints and browsing: customers consented to a purchase, not to being research subjects, so re-use for research is a new purpose that needs its own justification, purpose limitation on the customer side. Three questions before touching customer data. One: can it run on anonymised or aggregated data? Usually yes, because most managerial questions concern patterns, not persons, and the problem largely dissolves. Two: would customers be surprised? Surprise, in the uncomfortable sense, is a good proxy for a consent boundary crossed. Three: does it create new risks for them, such as profiling that affects what they are offered, discrimination, or exposure of sensitive purchases? A spectrum: at one end, aggregate sales patterns, ordinary business intelligence; at the other, manipulating individual customers’ experience or studying identified individuals, which is human-subjects research, where the Facebook case sits. The label on the activity does not decide its ethics; the relationship to the people in the data does. CUSTOMER DATA transactions loyalty cards complaints browsing Customers consented to a purchase not to being research subjects A NEW PURPOSE Re-use for research needs its own justification: purpose limitation, on the customer side. THREE QUESTIONS BEFORE TOUCHING CUSTOMER DATA 1 Can it run on anonymised or aggregated data? Usually yes: most managerial questions concern patterns, not persons — and the problem largely dissolves. 2 Would customers be surprised? Surprise, in the uncomfortable sense, is a good proxy for a consent boundary crossed. 3 Does it create new risks for them? Profiling that affects what they are offered, discrimination, exposure of sensitive purchases. Aggregate sales patterns ordinary business intelligence Manipulating individual customers’ experience, or studying identified individuals: human-subjects research — the Facebook case sits here The label on the activity does not decide its ethics; the relationship to the people in the data does.
Figure 22: The ethics of using customer data: a new purpose, three questions, and where analytics becomes research.

GDPR and organisational research

In the EU, personal data used in research falls under the GDPR. At a practical level, four ideas cover most of what an organisational researcher needs.

GDPR concept Practical meaning for research
Lawful basis Every use of personal data needs a legal justification (consent, legitimate interest, among others). For employee data, consent is legally doubtful precisely because of the power imbalance — the law mirrors the ethics
Purpose limitation Data collected for one purpose cannot be freely re-used for another
Data minimisation Collect only what the question requires; if you do not need names, do not collect names
Storage limitation Keep data only as long as needed, then delete it; know where it lives and who can access it

Truly anonymised data — with no way back to individuals — falls outside the GDPR altogether, which is one more reason to anonymise early. Good practice for any study is to be able to state, in one sentence each: the lawful basis, the purpose, what is collected, where it is stored, and when it will be deleted.

Figure 23 attaches the four ideas to the life of personal data: lawful basis covers every use; data minimisation applies when data are collected, purpose limitation when they are used, and storage limitation while they are kept and when they are deleted. Anonymising early takes data outside the GDPR altogether.

GDPR and organisational research: four ideas along the life of the data The life of personal data as a pipeline: collect, use, keep, delete. Over all of it, lawful basis: every use of personal data needs one, such as consent or legitimate interest; for employee data, consent is legally doubtful, because the power imbalance means it may not be freely given, so the law agrees with the ethics. Under collect, data minimisation: collect only what the question requires; if you do not need names, do not collect names. Under use, purpose limitation: data collected for one purpose cannot be freely re-used for another. Under keep and delete, storage limitation: keep data only as long as needed, then delete it, and know where it lives and who can access it. Anonymise early: truly anonymised data, with no way back to individuals, falls outside the GDPR altogether. For any study, one sentence each on the lawful basis, the purpose, what is collected, where it is stored and when it is deleted; if you cannot write them, the design is not finished. Collect Use Keep Delete LAWFUL BASIS — EVERY USE OF PERSONAL DATA NEEDS ONE Consent, legitimate interest, … For employee data, consent is legally doubtful: the power imbalance means it may not be freely given. The law agrees with the ethics. Data minimisation Collect only what the question requires: if you do not need names, do not collect names. Purpose limitation Data collected for one purpose cannot be freely re-used for another. Storage limitation Keep data only as long as needed, then delete it — and know where it lives and who can access it. ANONYMISE EARLY Truly anonymised data — with no way back to individuals — falls outside the GDPR altogether. FOR ANY STUDY, ONE SENTENCE EACH lawful basis purpose what is collected where it is stored when it is deleted cannot write them? the design is not finished
Figure 23: GDPR and organisational research: four ideas along the life of the data.

An ethics checklist for organisational research

Before fieldwork begins, the researcher should be able to answer five questions, settled in the design rather than improvised after the data arrive:

  • Who is the researcher, and what power do they hold over participants?
  • Is participation genuinely refusable — and invisible when refused?
  • What exactly is promised about anonymity or confidentiality, and can that promise survive small-team reporting?
  • Is any existing data (HR records, chat logs, customer files) being repurposed, and on what basis?
  • Who sees the results, and at what level of aggregation?

Figure 24 gives the same five questions as they apply to Meridian, each with a pointer to the tool from this session that answers it.

Ethics at Meridian: five questions to settle before fieldwork At Meridian, before any fieldwork: the board wants evidence on turnover, up from 14% to 27% in two years, and on falling customer satisfaction. Five questions, each with a check. One: who is the researcher, and what power do they hold over participants? A line manager over their own team means redesign first. Two: is participation genuinely refusable, and invisible when refused? Check the three warning signs. Three: what is promised about anonymity or confidentiality, and can it survive small-team reporting? Count cell sizes before printing the consent text. Four: is existing data, such as HR records, chat logs or customer files, being repurposed, and on what basis? Purpose limitation, ethical and legal. Five: who sees the results, and at what level of aggregation? A finding harmless on the board’s desk can be harmful on a store manager’s. Settle every answer in the design, not improvised after the data arrive. Today’s exercise: five Meridian proposals, and your verdicts. AT MERIDIAN — BEFORE ANY FIELDWORK The board wants evidence on turnover, up from 14% to 27% in two years, and on falling customer satisfaction. 1 Who is the researcher — and what power do they hold over participants? a line manager over their own team? Redesign first 2 Is participation genuinely refusable — and invisible when refused? check the three warning signs 3 What is promised about anonymity or confidentiality — and can it survive small-team reporting? count cell sizes before printing the consent text 4 Is existing data — HR records, chat logs, customer files — being repurposed? On what basis? purpose limitation, ethical and legal 5 Who sees the results — and at what level of aggregation? harmless on the board’s desk, harmful on a store manager’s? Settle every answer in the design — not improvised after the data arrive. TODAY’S EXERCISE five Meridian proposals — your verdicts
Figure 24: Ethics at Meridian: five questions to settle before fieldwork.

Conclusion

Ethics protects participants, the quality of the data, and the credibility of research itself, and the three stand or fall together. The core principles — voluntary participation, informed consent, no harm, privacy protection, and a near-prohibition on deception — were written in the aftermath of real scandals, from Milgram and Tuskegee to the Facebook emotional contagion study. Independent ethical review institutionalised those lessons; where no committee exists, the researcher must be the committee. Organisational research adds a distinctive complication: power. When the researcher signs the participants’ performance reviews, voluntariness, candour, and confidentiality are all at risk simultaneously, and the safeguards must be designed in from the start. The habit to build is to ask, of every proposed study: who could this harm, and what would make it defensible? — and to be willing, if no safeguard works, not to run the study at all.