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Development of the Systems Thinking Scale for Adolescent Behavior Change.

Shirley M Moore1, Vilailert Komton1, Clara Adegbite-Adeniyi1

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The Systems Thinking Scale for Adolescent Behavior Change (STS-AB) effectively measures systems thinking in adolescents undergoing weight management. This new scale demonstrates good reliability and validity for assessing health behavior change.

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Area of Science:

  • Behavioral Science
  • Psychometrics
  • Adolescent Health

Background:

  • Adolescent health behavior change is complex and influenced by systems thinking.
  • Existing measures may not adequately capture systems thinking in this population.
  • Developing a reliable and valid scale is crucial for research and intervention.

Purpose of the Study:

  • To develop and psychometrically test the Systems Thinking Scale for Adolescent Behavior Change (STS-AB).
  • To assess the reliability and validity of the STS-AB for measuring systems thinking in adolescents.
  • To provide a tool for understanding health behavior change in young people.

Main Methods:

  • Item development and initial understandability/stability assessments in 9 adolescents.
  • Exploratory factor analysis and internal consistency assessments in 359 adolescents.
  • Test-retest reliability and construct validity analyses using correlations with established measures.

Main Results:

  • The 16-item STS-AB showed good internal consistency (reliability = .87).
  • Test-retest reliability was adequate (r = .71, p = .03).
  • Factor analysis supported a one-factor solution with good loadings; construct validity was evidenced by significant correlations.

Conclusions:

  • The STS-AB is a reliable and valid instrument for measuring systems thinking in adolescents.
  • The scale can be used to assess systems thinking related to health behavior change in young adolescents.
  • This provides a foundation for further research and application in adolescent health interventions.