Dr. Al-Amin conducted a laboratory experiment to investigate the capacity of iconic memory using Sperling's partial-report technique. He recruited a convenience sample of 10 highly experienced competitive archers from his local archery club to participate in the study.
Explain one improvement Dr. Al-Amin could have made to his 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.