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Streaks in skilled performance.

D L Gilden1, S G Wilson

  • 1Department of Psychology, University of Texas, Mezes 330, 78712, Austin, TX, gilden@psyvax.psy.utexas.edu.

Psychonomic Bulletin & Review
|November 9, 2013
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Summary
This summary is machine-generated.

Skilled performance in activities like golf putting and darts is often streaky, particularly when success rates are around 50%. These performance patterns, or streaks, are linked to fluctuations in hit rates.

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Area of Science:

  • * Cognitive psychology and motor skill performance analysis.
  • * Exploration of sequential dependencies in human performance.

Background:

  • * Skilled motor activities often exhibit complex performance patterns.
  • * Understanding the structure of performance sequences is crucial for skill acquisition and analysis.

Purpose of the Study:

  • * To investigate the presence and characteristics of performance streaks in skilled motor tasks.
  • * To determine the relationship between task difficulty, success rates, and streak formation.
  • * To analyze sequence structure and its association with hit rate variations.

Main Methods:

  • * Experiments conducted in controlled settings involving golf putting and darts.
  • * Analysis of outcome sequences (hits and misses) to identify streaks.
  • * Application of formal models to analyze sequence structure and hit rate dynamics.

Main Results:

  • * Skilled performance in golf putting and darts demonstrated significant sequential 'streaks'.
  • * Streak tendency was maximal when task difficulty yielded approximately 50% success rate.
  • * Mixed activities and interrupted sequences also exhibited streaking, deviating from random processes.
  • * Formal sequence modeling confirmed that 'waves' in hit rate correlate with streak occurrence.

Conclusions:

  • * Performance in skilled motor tasks is inherently streaky, not random.
  • * Task difficulty and success rate are key modulators of streak formation.
  • * Streaks and hit rate fluctuations are intrinsically linked, suggesting underlying regulatory mechanisms in skilled performance.