Which of the following is a defining feature of a quasi-experiment?
The independent variable is a pre-existing characteristic of the participants and is not manipulated by the researcher
Participants are randomly allocated to the different experimental conditions
The dependent variable is measured under highly controlled laboratory conditions to establish causation
The independent variable is a naturally occurring environmental event rather than a characteristic of the participants
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.