The effects of depleted self-control strength on skill-based task performance

Desmond McEwan, Kathleen A.Martin Ginis, Steven R. Bray

Research output: Contribution to journalArticlepeer-review

58 Citations (SciVal)

Abstract

The purpose of this study was to examine the effects of depleted self-control strength on skill-based sports task performance. Sixty-two participants completed the following: a baseline dart-tossing task (20 tosses), with measures of accuracy, reaction time, and myoelectrical activity of the arms taken throughout; a self-control depletion (experimental) or a nondepletion (control) manipulation; and a second round of dart tossing. As hypothesized, participants in the experimental condition had poorer mean accuracy at Round 2 than control condition participants, and a significant decline in accuracy from Round 1 to Round 2. Experimental condition participants also demonstrated poorer consistency in accuracy compared with control condition participants at Round 2 and a significant deterioration in consistency from Round 1 to Round 2. In addition, consistency in reaction time improved significantly for the control group but not for the experimental group. The results of this study provide evidence that ego depletion effects occur in the performance of a skill-based sports task.

Original languageEnglish
Pages (from-to)239-249
Number of pages11
JournalJournal of Sport and Exercise Psychology
Volume35
Issue number3
DOIs
Publication statusPublished - 1 Jun 2013

Keywords

  • Ego depletion
  • Electromyography
  • Self-control
  • Self-regulation
  • Sports psychology
  • Strength model

ASJC Scopus subject areas

  • Applied Psychology

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