Amira wanted to investigate the impact of leading questions on the accuracy of eyewitness testimony. She recruited 12 students from her own A-level Psychology class to watch a brief video clip of a minor traffic collision. Afterwards, she asked them to estimate the speed of the vehicles, using either the verb 'hit' or 'smashed' in the critical question.
Explain one improvement that could be made to Amira's study.
Practise Edexcel A Level Psychology Content with exam-style questions for A Level Psychology. 1,059 questions covering Diagnosis of mental disorders (4 Ds), Classification systems (DSM and ICD), Schizophrenia and one other disorder, Treatments for the two disorders, Individual differences, and Developmental psychology, 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.
