Biological psychology Research methods

Worked examples (9)

• 1Describe how PET works (3 marks)
• 2Compare CAT with fMRI (4 marks)
• 3Choose the right technique for a question (4 marks)
• 4Explain what the BOLD signal measures (4 marks)
• 5Explain the resolution trade-off (4 marks)
• 6Explain the PET methodology in Raine et al. (5 marks)
• 7Explain reverse inference (4 marks)
• 8Explain the multiple comparisons problem (4 marks)
• 9Plan an 8-mark evaluation of scanning (8 marks)

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Worked examples (9)

• 1Identify the co-variables (2 marks)
• 2Write a correlational hypothesis (3 marks)
• 3Interpret a scatter diagram (3 marks)
• 4Rank two co-variables, including ties (4 marks)
• 5Calculate Spearman's rho (4 marks)
• 6Test the coefficient for significance (4 marks)
• 7Explain why cause cannot be inferred (4 marks)
• 8Distinguish strong from significant (4 marks)
• 9Plan an 8-mark answer on correlations (8 marks)

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Worked examples (9)

• 1Explain the logic of the twin method (4 marks)
• 2Calculate a concordance rate (3 marks)
• 3Interpret variance components from a table (4 marks)
• 4Explain what heritability means (4 marks)
• 5Evaluate the equal environments assumption (4 marks)
• 6Use the Brendgen figures correctly (4 marks)
• 7Assess whether twin findings generalise (4 marks)
• 8Evaluate twins reared apart (4 marks)
• 9Plan an 8-mark evaluation of twin studies (8 marks)

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