Daytime napping is often thought to improve cognitive performance and alertness. However, some researchers suggest that longer naps can lead to sleep cognitive inertia, temporarily impairing decision-making. A psychologist wants to investigate this further by using an experimental method to compare the decision-making speed of participants who take a 20-minute afternoon nap with those who do not nap.
Outline one strength of using volunteer sampling to obtain participants for this study.
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.