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Based on the concept of cognitive bias, explain how the participants' reliance on mental shortcuts under uncertainty leads to errors that are categorized as 'predictable biases' rather than random mistakes.
Case context: A cognitive psychologist is studying risk perception. She observes that immediately following a widely publicized aviation incident, study participants consistently overestimate the danger of commercial flights while underestimating the danger of driving, despite statistical evidence showing driving is statistically far more dangerous. The researcher notes that participants are relying on mental shortcuts to make judgments under uncertainty.
Question: Based on the concept of cognitive bias, explain how the participants' reliance on mental shortcuts under uncertainty leads to errors that are categorized as 'predictable biases' rather than random mistakes.
Sample answer: The participants' errors are predictable biases because they result from the systematic application of heuristics to manage uncertainty. Instead of making random, unsystematic errors, participants use the same mental shortcut (such as evaluating risk based on recent, salient memories of the aviation incident), which consistently skews their safety estimates in a specific direction.
Key points:
- Heuristics simplify reasoning under uncertainty but introduce bias.
- The errors are directional and systematic rather than random noise.
- Consistent reliance on the same mental shortcut produces predictable behavioral outcomes.
Rubric: The response must explain how the use of heuristics under uncertainty leads to systematic (non-random) errors, and must connect this to the way participants consistently overestimate or underestimate risk based on the shortcut rather than making random errors.
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Research Methods in Psychology - 4th American Edition @ KPU
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List of biases (and behavioral effects)
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Limitations of Intuition
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