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Case Study

Explain how Marcus is using a heuristic to form his belief. In your response, contrast Marcus's shortcut with the three cognitive processes required to form detailed and accurate beliefs, and explain the risk associated with his approach.

Case context: A student researcher, Marcus, wants to determine if studying with music improves exam performance. Instead of conducting a structured experiment, Marcus quickly concludes that music is beneficial because he easily recalls three classmates who listen to music and get high grades. He adopts this belief because it is simple to maintain and prevents him from having to collect further evidence.

Question: Explain how Marcus is using a heuristic to form his belief. In your response, contrast Marcus's shortcut with the three cognitive processes required to form detailed and accurate beliefs, and explain the risk associated with his approach.

Sample answer: Marcus is using a heuristic, which is a mental shortcut to simplify the complex task of forming and maintaining beliefs. Instead of engaging in the extensive observation, memory, and analysis required to form a detailed and accurate belief, Marcus relies on the quick recall of a few classmates. Bypassing these three rigorous processes to save cognitive effort carries the risk of leading him to an incorrect conclusion about the relationship between music and exam performance.

Key points:

  • Marcus is using a heuristic, defined as a mental shortcut to simplify forming and maintaining beliefs.
  • Marcus bypasses the three processes of extensive observation, memory, and analysis.
  • Marcus's reliance on this cognitive shortcut risks leading to an incorrect conclusion.

Rubric: The response must identify that Marcus is using a heuristic (a mental shortcut to simplify belief formation). It must contrast this by noting he bypassed extensive observation, memory, and analysis, and explain that the risk is drawing an incorrect conclusion.

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Updated 2026-05-27

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Research Methods in Psychology - 4th American Edition @ KPU

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