People often report that physical activity helps them rest better. It may be that the more hours of moderate exercise individuals complete per week, the higher their self-reported quality of sleep. To investigate this, a researcher wants to use the correlation technique to see if there is a relationship between weekly hours of exercise and sleep quality scores (measured on a scale of 1 to 10).
Describe one strength of using the correlation technique in this study.
644 exam-style questions on OCR A Level Psychology Research methods and techniques. Each one has a worked solution and a mark scheme showing where the marks go.