You are not currently logged in. Please create an account or log in to view the full course. Classic View Psychology A Level AQA A Level Psychology (7182) 4.2 Psychology in Context 4.2.3 Research Methods 4.2.3.3 Inferential Testing Statistical Testing Classic View Statistical Testing STATISTICS FOR PSYCHOLOGISTS – INFERENTIAL STATISTICS The Sign Test: A Worked Example Dr Alison Wadeley, Bath Spa University