Worksheets on Edexcel GCSE Psychology 1.1 Development, covering 1.1.1 Early brain development, 1.1.2 Piaget's Theory of Cognitive Development, 1.1.3 Dweck's mindset theory, and 1.1.4 Willingham's learning theory, 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.