Evidence suggests that spending time tending plants can reduce stress levels in office employees. To investigate this further, a health psychologist wants to conduct an experiment to study the effect of indoor office gardening on employees working in a single large corporate headquarters called 'Apex Solutions', which has a total of 180 male and female desk-based workers aged between 22 and 60.
Evaluate the use of random sampling in this study.
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.