A cognitive psychologist conducts an experiment to investigate the effect of ambient olfactory cues on semantic retrieval speed.
One group of participants performs a category-generation task (listing as many unique animal species as possible in a 2-minute limit) in a laboratory room diffused with natural peppermint essential oil.
The other group performs the exact same category-generation task in an identical room with no diffused scent (normal room air).
State the fully operationalised independent variable (IV) and the fully operationalised dependent variable (DV) for this investigation.
186 exam-style questions on Edexcel A Level Psychology Research methods and skills, covering Research methods and skills. Each one has a worked solution and a mark scheme showing where the marks go.