A sports scientist wants to investigate the effectiveness of a new electrolyte-infused recovery drink compared to plain water. They recruit a sample of 30 marathon runners.
All participants completed one of two conditions:
Name the experimental design used in this study. Evaluate the choice of this design in this study.
Practise AQA A Level Psychology Scientific processes with exam-style questions for A Level Psychology. 100 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.