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Time estimation variability in delay discounting: Model comparison and considerations.

Brett W Gelino1, Madison E Graham2, Justin C Strickland1

  • 1Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA.

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Summary
This summary is machine-generated.

The hyperboloid discounting parameter "s" may not accurately reflect individual time perception differences. Further research is needed to understand its role in subjective time passage and delay discounting behavior.

Keywords:
Behavioral economicsDelay discountingHyperboloidTemporal distanceTime estimation

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Area of Science:

  • Behavioral Economics
  • Cognitive Psychology
  • Neuroscience

Background:

  • Delay discounting models assess sensitivity to delayed consequences.
  • Hyperboloid models introduced the 's' parameter to reduce variance in human subject data.
  • The 's' parameter mathematically allows nonlinear relationships between consequence and delay, potentially reflecting subjective time passage.

Purpose of the Study:

  • To examine the proof-of-concept of hyperboloid 's' in relation to participants' time-based experiences.
  • To investigate if the 's' parameter correlates with time estimation and temporal distance estimation accuracy.
  • To explore the conceptual value of the 's' parameter in accounting for subject-level differences in time perception.

Main Methods:

  • A crowdsourced sample of 211 adults participated.
  • Participants completed time estimation tasks (duration judgments).
  • Participants completed temporal distance estimation tasks (subjective delay perception).

Main Results:

  • Participants generally underestimated elapsed durations.
  • Income and day-framed discounting tasks, but not hyperboloid 's', significantly related to time estimation accuracy.
  • Participant age and delay framing, but not hyperboloid 's', significantly related to temporal distance estimation discrepancies.

Conclusions:

  • The hyperboloid 's' parameter may not account for individual differences in time estimation as measured in this study.
  • The modest effect of Rachlin's 's' suggests limited conceptual value in explaining subjective time differences.
  • Further investigation is warranted to understand the 's' parameter's role in subject-level time perception variations.