Which of the following is a defining characteristic of a quasi-experiment?
The independent variable is a naturally occurring environmental event, such as a change in local legislation, which the researcher has no control over.
Participants are randomly allocated to different conditions to control for participant variables.
The independent variable is a pre-existing characteristic of the participants, meaning they cannot be randomly allocated to conditions.
The researcher actively manipulates the independent variable in a natural, real-world setting.
644 exam-style questions on OCR A Level Psychology Research methods and techniques. Each one has a worked solution and a mark scheme showing where the marks go.