A Level Psychology OCR Practice Exam

Question: 1 / 630

How many healthy adults were included in the Barkley-Levenson and Galvan study sample?

19

In the Barkley-Levenson and Galvan study, the researchers aimed to investigate decision-making and how it relates to neural activity across different age groups. The sample size of healthy adults specifically included 19 individuals. This number is crucial in understanding the context of the research as it reflects the small, controlled sample size used to explore the complex interactions between age, brain function, and decision-making processes. The findings would, therefore, be influenced significantly by this small group, emphasizing the specific characteristics and limitations that such a sample might present in relation to generalizing results to a broader population.

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