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QUESTION 3 (25 marks) a) A neuropsychologist was interested in how drugs help to improve memory. To test the effectiveness of drugs, 15 students were

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QUESTION 3 (25 marks) a) A neuropsychologist was interested in how drugs help to improve memory. To test the effectiveness of drugs, 15 students were given a different drug treatment before revising for their exam. 5 students were given a memory drug. 5 students a placebo drug and 5

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