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The attenuation effect in timing: counteracting dual-task interference with time-judgment skill training.

Scott W Brown1

  • 1Department of Psychology, University of Southern Maine, Portland, ME 04104-9300, USA. swbrown@usm.maine.edu

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|July 9, 2008
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Summary

Practicing time judgment skills, especially with feedback, significantly reduces interference in dual-task scenarios. This training improves time perception accuracy when attention is divided.

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Area of Science:

  • Cognitive Psychology
  • Human Performance
  • Psychophysics

Background:

  • Dual-task performance typically impairs time judgment accuracy due to interference.
  • Prior research shows practice on distractor tasks can mitigate this interference (attenuation effect).

Purpose of the Study:

  • To investigate if practice on the time-judgment task itself can reduce dual-task interference.
  • To examine the effect of feedback during practice on time judgment performance.

Main Methods:

  • Experiment 1: Participants practiced reproducing time intervals (6-14s) with or without accuracy feedback, followed by dual-task (timing + digit memory) testing.
  • Experiment 2: Practice trials included both single- and dual-task conditions, with feedback provided.
  • Subsequent testing assessed performance under dual-task conditions.

Main Results:

  • Feedback-based training in Experiment 1 reduced dual-task interference.
  • In Experiment 2, feedback training completely eliminated the interference effect.
  • Practice on the time-judgment task, particularly with feedback, enhances performance.

Conclusions:

  • Skill training in time judgment can effectively overcome dual-task interference.
  • Attentional resources, skill transfer, and compensatory decision processes are key factors.
  • Feedback is crucial for maximizing the benefits of time judgment skill training.