Priya and Jack are undertaking a practical investigation using a questionnaire into out-group derogation at their sixth-form college. Explain how Priya and Jack could design their questionnaire to collect quantitative data. You must refer to Priya and Jack's study of out-group derogation in your answer.
88 exam-style questions on Edexcel A Level Psychology Research methods and skills, covering Research methods and skills. Each one has a worked solution and a mark scheme showing where the marks go.