A cognitive psychologist is investigating whether auditory distraction affects short-term memory recall. One group of participants is asked to recall a list of 15 three-letter words while listening to high-tempo instrumental music. Another group is asked to recall the same list in silence.
Write a fully operationalised null hypothesis for this investigation.
Practise Edexcel A Level Psychology Research methods and skills with exam-style questions for A Level Psychology. 657 questions covering Research methods and skills, matched to the Edexcel A Level Psychology (9PS0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.