Ethics in research with humans and animals

Q: In BPS ethics, what does the principle of "Respect" involve?

Respect involves valuing the dignity of participants, which includes providing informed consent , ensuring the right to withdraw , and maintaining privacy and confidentiality .

Q: What are the key requirements under the BPS principle of "Responsibility"?

Researchers must ensure protection from harm (physical and psychological) and provide a thorough debriefing at the end of the study.

Q: Under what circumstances is deception permitted in BPS guidelines?

Deception should be avoided but is permitted if it is justified to prevent demand characteristics and if the truth is revealed during the debrief .

Q: What is the difference between the BPS Code and the HCPC Guidelines?

The BPS Code applies to researchers conducting studies, whereas the HCPC Guidelines provide the legal standards for practicing psychologists (clinicians) treating the public.

Q: How does the UNCRC (1989) influence research involving children?

The UNCRC (1989) balances the Right to Protection (preventing harm to development) with the Right to Participation (allowing children's voices to be heard).

Q: What is the primary UK law governing animal research?

The Scientific Procedures Act (1986) is the main law, requiring researchers to obtain a license by proving the research benefits outweigh the animal's suffering.

Q: What are the "3 Rs" in the context of Home Office animal regulations?

The 3 Rs are: Replace (use non-animal methods), Reduce (use fewer animals, \(n\)), and Refine (minimize distress in procedures).

Q: What is a Risk Assessment in psychological research?

A Risk Assessment is a formal process conducted before a study begins to identify potential risks and establish plans to mitigate them.

Q: What is the central debate regarding ethics in Psychology?

The debate focuses on "The Ends vs. The Means" : whether gaining valuable scientific knowledge justifies the use of unethical methods.

Psychology (YPS01) · Pearson Edexcel International A Level · 6 min read · Updated: Sep 7, 2026

Introduction to Ethics in Psychology

In Psychology, we are often asking very personal questions or observing how people react to stressful situations. Because we are dealing with living, breathing, and feeling beings—both humans and animals—we must follow strict rules to ensure they are treated with kindness and respect. This chapter covers the ethical guidelines and laws you need to know for your Pearson Edexcel International A Level exams.

Think of ethics as the "moral compass" of research. It helps scientists decide what they should do, not just what they can do. Don't worry if this seems like a lot of rules at first; most of them are based on common sense and the idea of "doing no harm."

1. Ethics with Human Participants: The BPS Code (2009)

The British Psychological Society (BPS) Code of Ethics and Conduct (2009) is the primary set of guidelines you must learn. It is built around four main principles. An easy way to remember these is the acronym RIRI: Respect, Integrity, Responsibility, and Incompetence (wait, no—that's Competence!).

A. Respect

Psychologists must value the dignity and worth of all people. This includes:

Informed Consent: Participants should know exactly what they are getting into before they agree to take part.
Right to Withdraw: Participants must be told they can leave the study at any time, and they can ask for their data to be deleted even after the study is finished.
Privacy and Confidentiality: Personal details (names, addresses) must be kept secret. Data should be anonymized (e.g., using "Participant 1" instead of a name).

B. Competence

Researchers must only work within their own limits. For example, a student researcher should not give medical advice to a participant because they are not qualified to do so. You must maintain high standards in your work.

C. Responsibility

Researchers are responsible for the well-being of their participants. This includes:

Protection from Harm: Participants should not be embarrassed, frightened, or hurt. The risk of harm should be no greater than what they would experience in "everyday life."
Debriefing: After the study, the researcher must explain the true aim of the research and ensure the participant is in the same emotional state as when they started.

D. Integrity

This is about being honest and fair.
Deception: Researchers should avoid lying to participants. However, sometimes a "white lie" is needed so participants don't change their behavior (demand characteristics). If deception is used, it must be justified and revealed during the debrief.

Quick Review: If a study makes a participant feel upset and doesn't let them leave, it has violated the principles of Responsibility (Protection from Harm) and Respect (Right to Withdraw).

2. Professional Standards: The HCPC Guidelines

While the BPS provides ethical guidelines for research, the Health and Care Professions Council (HCPC) provides the "law" for practicing psychologists (like Clinical Psychologists). These guidelines ensure that professionals are fit to practice and keep the public safe. They cover things like maintaining records, acting with honesty, and keeping your professional skills up to date.

3. Researching with Children: The UNCRC (1989)

When research involves children, we have to be even more careful. The United Nations Convention on the Rights of the Child (UNCRC) 1989 is a key framework here. It highlights a difficult balance:

The Right to Protection: Children must be protected from any research that might harm their development or well-being.
The Right to Participation: Children have a right to have their voices heard. We shouldn't just "shut them out" of research; we should find safe ways to let them contribute.

Example: If you are studying how children play, you must get consent from their parents, but you should also ask the child for their assent (their own agreement to join in).

4. Ethics in Animal Research

Sometimes, psychologists use animals to study behaviors that would be unethical to test on humans (like the effects of certain drugs or brain lesions). However, animals have rights too! In the UK, this is governed by law.

The Scientific Procedures Act (1986)

This law requires researchers to have a specific license before they can use animals in experiments. To get this license, they must prove that the potential knowledge gained outweighs the suffering of the animal.

Home Office Regulations

The Home Office sets strict rules for animal labs, including:

Caging and Social Environment: Animals must have enough space and, if they are social creatures (like rats), they should usually be housed with others.
Avoidance of Suffering: Researchers must use anesthesia for painful procedures and ensure animals are cared for by a vet.
The 3 Rs (General Concept): Replace animals with computers where possible, Reduce the number of animals used to the minimum (\(n\)), and Refine procedures to cause the least distress.

Did you know? In your exams, if you are asked about animal ethics, you must mention the Scientific Procedures Act (1986) to get the top marks!

5. Risk Assessment

Before any study starts, researchers must conduct a Risk Assessment. This is a formal process where the researcher identifies every possible thing that could go wrong and plans how to stop it.

Analogy: It’s like a school field trip. The teacher looks at the route and identifies risks (like a busy road) and puts a plan in place (making everyone wear high-vis vests) before the bus even leaves the school.

6. Issues and Debates: The Ethics Conflict

In your 12-mark or 16-mark "Extended Open Response" (EOR) questions, you might have to discuss the "Issue" of ethics. The big debate is often: The Ends vs. The Means.

The Argument FOR breaking rules: Some of the most famous studies in Psychology (like Milgram’s obedience study) were unethical, but they taught us life-saving information about human nature.
The Argument AGAINST: No piece of knowledge is worth damaging the mental health of a human or the life of an animal. If Psychology gets a reputation for being "cruel," people will stop volunteering for studies.

Summary Table: Key Ethical Statutes

Document/Law	Target Group	Main Focus
BPS Code (2009)	Human Participants	Respect, Competence, Responsibility, Integrity.
HCPC Guidelines	Practitioners	Professional standards for clinical work.
UNCRC (1989)	Children	Protection vs. Participation rights.
Scientific Procedures Act (1986)	Animals	Legal licensing for animal research in the UK.

Common Mistakes to Avoid

1. Mixing up the BPS and HCPC: Remember, BPS is usually for researchers (the rules of the experiment), while HCPC is for practitioners (the rules for treating patients).

2. Saying "No harm at all": Ethical rules don't say "zero harm"; they say the risk should be no higher than "everyday life." We can't guarantee a participant won't be bored or slightly tired, but we can guarantee they shouldn't be traumatized.

3. Forgetting the dates: When writing about the BPS, always write (2009). For the Scientific Procedures Act, write (1986). It shows the examiner you know your stuff!

Note: This chapter is part of the "Research methods and statistics" section. For more information on how ethics were applied in specific studies, see the notes on Social Psychology (Topic A) regarding Milgram or Learning Theories (Topic D) regarding animal ethics.

Quick check

Can you answer these now?

Open each question to check the key ideas from this chapter.

What is the BPS Code of Ethics and Conduct (2009) and what acronym summarizes its principles?

The BPS Code (2009) is the primary set of ethical guidelines for psychological research in the UK, built around the four principles of Respect, Competence, Responsibility, and Integrity (RIRI).

In BPS ethics, what does the principle of "Respect" involve?

Respect involves valuing the dignity of participants, which includes providing informed consent, ensuring the right to withdraw, and maintaining privacy and confidentiality.

What are the key requirements under the BPS principle of "Responsibility"?

Researchers must ensure protection from harm (physical and psychological) and provide a thorough debriefing at the end of the study.

Under what circumstances is deception permitted in BPS guidelines?

Deception should be avoided but is permitted if it is justified to prevent demand characteristics and if the truth is revealed during the debrief.

What is the difference between the BPS Code and the HCPC Guidelines?

The BPS Code applies to researchers conducting studies, whereas the HCPC Guidelines provide the legal standards for practicing psychologists (clinicians) treating the public.

How does the UNCRC (1989) influence research involving children?

The UNCRC (1989) balances the Right to Protection (preventing harm to development) with the Right to Participation (allowing children's voices to be heard).

What is the primary UK law governing animal research?

The Scientific Procedures Act (1986) is the main law, requiring researchers to obtain a license by proving the research benefits outweigh the animal's suffering.

What are the "3 Rs" in the context of Home Office animal regulations?

The 3 Rs are: Replace (use non-animal methods), Reduce (use fewer animals, \(n\)), and Refine (minimize distress in procedures).

What is a Risk Assessment in psychological research?

A Risk Assessment is a formal process conducted before a study begins to identify potential risks and establish plans to mitigate them.

What is the central debate regarding ethics in Psychology?

The debate focuses on "The Ends vs. The Means": whether gaining valuable scientific knowledge justifies the use of unethical methods.

Ready to test yourself?

Turn these notes into exam-style practice. Get unlimited AI questions on this topic with instant marking and explanations.

Practice This Topic

More Psychology (YPS01) chapters

* The content provided by thinka is generated by AI and may not always be accurate or up-to-date. Please use it as a supplementary resource and verify with official materials.

Put These Notes into Practice

Reading the notes is a great start. Now practice with unlimited AI-generated questions and get instant feedback. 100,000+ students are already improving their grades.

Start Practicing Now View Pricing

Done reading? Test yourself with AI practice questions

Practice This Topic Now