A sports psychologist is conducting an experiment to investigate whether high-intensity interval training (HIIT) improves athletic stamina more than traditional steady-state cardio. The psychologist, who is a passionate advocate for HIIT, personally administers the stamina test to all athletes, offering verbal encouragement throughout the physical trials.
Outline one way the psychologist could prevent investigator effects from influencing the findings of this study.
Practise AQA A Level Psychology Scientific processes with exam-style questions for A Level Psychology. 689 questions, matched to the AQA A Level Psychology (7182) 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.
