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Area of Science:

  • Cognitive psychology
  • Human factors engineering
  • Psychophysics

Background:

  • Time perception is crucial for human performance.
  • Understanding factors influencing duration judgments is vital for applied settings.
  • Previous research suggests cognitive load affects time perception.

Purpose of the Study:

  • To quantitatively synthesize the effects of physical workload on duration judgments.
  • To qualitatively assess related studies not included in the meta-analysis.
  • To compare the impact of physical workload to cognitive load on time perception.

Main Methods:

  • Meta-analytic review of seven experiments.
  • Inclusion of 235 participants across studies.
  • Utilized the prospective duration-judgment paradigm with the production method.

Main Results:

  • A large overall effect size was found.
  • Increasing physical workload significantly lengthens prospective duration productions.
  • The effect of physical workload on duration judgments is comparable to cognitive load.

Conclusions:

  • Physical workload is a significant determinant of time perception.
  • Findings have implications for occupational ergonomics and performance.
  • Future research should explore these effects in diverse applied contexts.