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Related Experiment Videos

The development and initial validation of the Exercise Causality Orientations Scale.

E A Rose1, D Markland, G Parfitt

  • 1School of Sport, Health and Exercise Sciences, University of Wales Bangor, Gwynedd, UK. e.a.rose@bangor.ac.uk

Journal of Sports Sciences
|June 20, 2001
PubMed
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The Exercise Causality Orientations Scale (ECOS) effectively measures motivational orientations in exercise, demonstrating good psychometric properties and concurrent validity for autonomy, control, and impersonal orientations.

Area of Science:

  • Psychology
  • Exercise Science
  • Behavioral Science

Background:

  • Self-Determination Theory posits individual differences in motivation.
  • Causality orientations (autonomy, control, impersonal) influence behavior regulation.
  • Measuring these orientations in exercise is crucial for understanding motivation.

Purpose of the Study:

  • Develop and validate the Exercise Causality Orientations Scale (ECOS).
  • Assess the scale's psychometric properties and concurrent validity.
  • Measure autonomy, control, and impersonal orientations in exercise contexts.

Main Methods:

  • Confirmatory factor analysis using a multi-trait, multi-method framework.
  • Scale modification by removing ambiguous items based on modification indices.

Related Experiment Videos

  • Pearson correlations to assess concurrent validity with self-determination, self-consciousness, and social desirability measures.

    • Main Results:

    • Initial model showed poor fit; scale refinement improved psychometric properties.
    • ECOS demonstrated good psychometric properties after item removal.
    • Correlations largely supported a priori hypotheses, indicating concurrent validity.

    Conclusions:

    • The ECOS is a psychometrically sound instrument for measuring exercise-related causality orientations.
    • The scale provides support for concurrent validity in assessing motivational orientations.
    • Findings contribute to understanding individual differences in exercise motivation.