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Related Experiment Videos

Testing the simplex assumption underlying the Sport Motivation Scale: a structural equation modeling analysis

F Li1, P Harmer

  • 1Oregon Social Learning Center, Eugene, USA. fuzhongl@tigger.ori.org

Research Quarterly for Exercise and Sport
|December 1, 1996
PubMed
Summary

This study confirms the simplex structure of the Sport Motivation Scale (SMS), showing motivational styles in sports range from amotivation to intrinsic motivation. This pattern holds true across genders, supporting the scale's validity.

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Area of Science:

  • Sport Psychology
  • Motivation Science
  • Educational Psychology

Background:

  • Self-determination theory posits motivation exists on a continuum from amotivation to intrinsic motivation.
  • A simplex structure, characterized by specific correlation patterns, is expected to underlie these motivational constructs.
  • The Sport Motivation Scale (SMS) is a key instrument for assessing these motivational styles in sport contexts.

Purpose of the Study:

  • To empirically test the simplex structure of the motivational subscales within the Sport Motivation Scale (SMS).
  • To validate the continuum of self-determination in sport motivation using structural equation modeling.
  • To examine the invariance of this motivational structure across gender.

Main Methods:

  • Utilized structural equation modeling to analyze responses from the Sport Motivation Scale (SMS).

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  • Collected data from a large sample of 857 college students (442 men, 415 women).
  • Examined the rank order of correlations among SMS subscales to confirm the simplex pattern.

    • Main Results:

    • Results confirmed the hypothesized simplex model structure for the SMS subscales.
    • Empirical evidence demonstrated that motivational constructs are organized along a continuum from low to high self-determination.
    • The simplex pattern was found to be invariant between male and female participants.

    Conclusions:

    • The findings support the construct validity of the Sport Motivation Scale (SMS).
    • The study validates the theoretical continuum of self-determination in sport motivation.
    • Results have significant implications for research on motivational influences in sports.