A Level Psychology OCR Test 2026 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 630

What sample size did Raine et al. use in their research?

20 offenders and 20 controls

41 offenders and 41 controls

Raine et al. conducted research that included a sample of 41 offenders and 41 controls. This balanced approach allows for a direct comparison between the two groups, providing valuable insights into any differences in brain structure and functioning, as measured using brain imaging techniques. The equal number of participants in each group contributes to the robustness of the findings, making it easier to draw conclusions about the potential neural correlates of violent behavior. Additionally, having 41 participants in each group offers a sufficiently large sample to detect any significant effects, which is crucial in psychological research.

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100 offenders and 100 controls

60 offenders and 60 controls

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