A sports scientist wants to investigate the relationship between weekly resistance training volume (measured in hours) and functional mobility scores (measured on a standard 100-point scale) in older adults. To do this, they conduct a correlational study by recruiting a sample of 20 participants aged over 60 from a single local powerlifting club.
Explain one way that the design of this study could be modified to increase the generalisability of its findings.
201 exam-style questions on OCR A Level Psychology Planning and conducting research. Each one has a worked solution and a mark scheme showing where the marks go.