Explain how Caspi's aim leads to one testable prediction or expected observation.
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Markscheme
3.2 Studies Questions
40 exam-style questions on Edexcel GCSE Psychology 3.2 Studies, covering 3.2.1 Caspi et al. (2003) and 3.2.2 Young (2007). Each one has a worked solution and a mark scheme showing where the marks go.