Worksheets on OCR GCSE Psychology 3.1 Key Concepts, covering 3.1.1 Defining mental health and prevalence, 3.1.2 Incidence of mental health problems over time, 3.1.3 Effects of stigma and discrimination, and 3.1.4 Effects on wider society, with answers. Print them, or work through one on screen. Write your working straight onto the paper and Genie marks it question by question against the mark scheme.