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Effort avoidance is not simply error avoidance.

Iman Feghhi1, David A Rosenbaum2

  • 1University of California, Riverside, CA, 92521, USA. iman.feghhi@email.ucr.edu.

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This summary is machine-generated.

Effort representation in tasks was studied using auditory memory demands. Participants accepted more difficult navigation when mental effort was reduced, confirming previous findings and showing navigation errors are costlier than recall errors.

Keywords:
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Area of Science:

  • Cognitive Psychology
  • Human Perception and Performance
  • Effort-Based Decision Making

Background:

  • Understanding how humans represent and trade off effort across different task types is crucial.
  • Previous research established empirical benchmarks for effort representation in navigation and memory tasks.
  • Feghhi and Rosenbaum (2019) found participants accepted less demanding navigation when memory load was reduced.

Purpose of the Study:

  • To replicate and extend previous findings on effort representation in combined physical and mental tasks.
  • To investigate the role of auditory versus visual memory presentation in effort-based choices.
  • To quantify the relative cost of navigation errors versus memory recall errors.

Main Methods:

  • 36 university students chose between two action/memorization options involving physical (gap navigation) and mental (digit memorization) demands.
  • Memory digits were presented in auditory form to test for phonological recoding.
  • A novel metric was used to assess the perceived cost of navigation errors relative to recall errors.

Main Results:

  • Performance was comparable to previous studies using visually presented digits, suggesting auditory presentation did not significantly alter effort trade-offs.
  • Participants accepted narrower gap navigation when it involved memorizing fewer digits, indicating a willingness to trade physical for mental effort.
  • Navigation errors were implicitly judged to be 17% more costly than recall errors, demonstrating that effort reduction is not solely based on minimizing error rates.

Conclusions:

  • Effort representation across different task modalities (physical navigation, auditory memory) is consistent.
  • The perceived cost of errors influences effort-based decision-making, with navigation errors being implicitly weighted higher than recall errors.
  • Findings contribute to understanding the complex interplay of physical and mental effort in human decision-making and task selection.