🕵 Covert observation
The observer is hidden or disguised. Participants do not know they are being studied. A researcher might sit in a cafe dressed as an ordinary customer, or watch from behind a screen.
Observations » Covert and Overt Observations
What you'll learn this session
Study time: 30 minutes
Cambridge spec: 7.2.8, 7.2.9, 7.2.10
- What a covert observation is and what an overt observation is
- How being watched can change behaviour, and what that means for validity
- Which ethical issues each type raises
- How to choose and justify covert or overt observation in a new scenario
This lesson is part of Paper 2 Section D, the non-experimental methods questions. It builds on the lessons called Observation as a Research Method and Structured and Unstructured Observations.
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Unlock This CourseCan the participants see the observer?
In any observation, the researcher watches people. But there is a big question: do the people know they are being watched? Think about how you act when a teacher stands next to you and how you act when nobody is looking. Researchers worry about this too, because they want to see behaviour as it really happens.
Key terms:
- Covert observation: the role of the observer is not known or obvious to the participants, because the observers are hidden or disguised.
- Overt observation: the role of the observer is obvious to the participants, and the participants know that they are being observed.
Covert and overt side by side
👀 Overt observation
The observer is obvious. Participants know they are being observed. A researcher might stand at the back of a classroom with a clipboard after telling the class what they are doing.
Learn this
Covert = the role of the observer is not known. Overt = the role of the observer is obvious and participants know. The key question is always: do the participants know they are being observed?
Effect on natural behaviour
Researchers want natural behaviour, meaning what people would really do if no researcher was there. This matters for validity, which is about whether the researcher is really investigating what they aimed to investigate. If people act differently because they are watched, the results do not show their true behaviour.
- Covert: participants do not know, so they are more likely to behave naturally. This gives higher validity.
- Overt: participants know, so they may behave differently. They might try to look good, or be more careful, or show off. This can give lower validity.
(You will study validity fully in the lesson called Validity, Subjectivity and Objectivity.)
Ethics
Ethics are about protecting the people who take part. Three issues come up, and you only need to spot them here. The full guidelines are in the lessons Consent, Deception and Debriefing, and Confidentiality, Withdrawal, Privacy and Harm.
- Consent: people should agree to take part. In a covert observation they cannot agree, because they do not know.
- Deception: hiding or disguising the observer means the participants are misled about what is happening.
- Privacy: watching people who do not know may invade their privacy, especially if the place is somewhere people expect not to be watched.
An overt observation has fewer problems here, because participants know and can agree or say no.
Strengths and weaknesses at a glance
🕵 Covert
Strength: behaviour is more natural, so validity is higher.
Weakness: no consent, deception and possible invasion of privacy.
👀 Overt
Strength: fewer ethical problems, because people know and can agree.
Weakness: people may change their behaviour, so validity is lower.
Applying it to a new scenario
Worked example
A researcher wants to observe how teenagers behave when they queue for tickets at a cinema.
Covert choice: the researcher stands in the foyer dressed as a member of staff, tallying behaviour. The teenagers behave naturally, so the results are more valid. But they have not consented, they have been misled about who the researcher is, and some may feel their privacy was invaded.
Overt choice: the researcher tells the group in advance and stands visibly in the queue with a clipboard. The teenagers agree to take part, which is more ethical. But they may stay quiet and polite because they know they are watched, which lowers validity.
Notice the pattern. The answer is not "covert is better" or "overt is better". Each choice solves one problem and creates another. Your job is to use the details of the scenario.
Another scenario
A researcher wants to watch how children behave in a hospital waiting room. Here, overt is the stronger choice. Children and parents may be upset, so secretly watching them raises serious privacy and consent concerns. A covert observer in a place like this would be hard to justify.
Common mistakes
Common mistakes
- Mixing up the words. Covert = hidden. Overt = obvious. Link "covert" with "cover".
- Saying covert means the participants cannot be seen. It is the role of the observer that is hidden or disguised, so participants do not know they are being studied.
- Only giving one side. Mention both validity and ethics when asked to evaluate or choose.
- Saying overt behaviour is always unnatural. It may be, but you should say "may" or "could" and link it to the scenario.
- Vague answers. "It is unethical" earns little. Say which issue (consent, deception or privacy) and why.
Exam-style question
A researcher wants to observe how teenagers behave when they use the study area of a public library.
(a) Explain what is meant by a covert observation. [2 marks]
(b) Explain one strength of using an overt observation in this study. [2 marks]
(c) Explain one weakness of using a covert observation in this study. [2 marks]
Model answer
(a) The role of the observer is not known or obvious to the participants (1), because the observer is hidden or disguised (1).
(b) The teenagers know they are being observed and can agree to take part (1), so there are fewer ethical problems such as lack of consent or deception (1).
(c) The teenagers do not know they are being observed, so they cannot give consent (1), and this breaks an ethical guideline. Accept deception or invasion of privacy as alternatives, linked to the teenagers (1).
Exam tip
In "explain" questions, write the point and then the reason. Use "so" or "because" to join them, and mention the teenagers or the library so your answer fits the scenario.