A developmental psychologist investigates the relationship between the average daily screen time (measured in minutes) of toddlers and their sleep latency (the time taken to fall asleep, measured in minutes). The researcher collects both pieces of numerical data from a sample of 50 families without manipulating any variables.
Which of the following correctly identifies the research design used and the methodological term for the two variables under investigation?
Research design: Quasi-experiment; Variables: Independent and dependent variables
Research design: Natural experiment; Variables: Co-variables
Research design: Correlational study; Variables: Co-variables
Research design: Correlational study; Variables: Independent and dependent variables
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.