A consumer psychologist wants to investigate whether a high-frequency background hum (similar to supermarket refrigeration units) increases impulsive purchasing decisions in adults compared to a quiet environment. The study is to be conducted with 200 volunteers recruited from a local town.
Outline one strength of conducting this study as a laboratory experiment.
201 exam-style questions on OCR A Level Psychology Planning and conducting research. Each one has a worked solution and a mark scheme showing where the marks go.