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Psychometric Testing: Self-Efficacy for Calorie Control and Exercise.

Li-Chun Hsiao1, Chi-Jane Wang1

  • 1Department of Nursing, College of Medicine, National Cheng Kung University, Tainan, Taiwan.

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|December 28, 2021
PubMed
Summary
This summary is machine-generated.

A new 13-item checklist, the Quick Checklist for Self-Efficacy for Calorie Control and Exercise (QCSE-CCE), effectively measures confidence in managing diet and physical activity. This tool supports weight management by assessing self-efficacy.

Keywords:
calorie controlexercisepsychometric testingself-efficacy

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Area of Science:

  • Health Psychology
  • Behavioral Medicine
  • Psychometrics

Background:

  • Self-efficacy is vital for successful weight management, influencing adherence to calorie control and exercise regimens.
  • Assessing self-efficacy accurately is crucial for developing targeted interventions.

Purpose of the Study:

  • To develop and psychometrically evaluate a brief instrument for measuring self-efficacy in calorie control and exercise.
  • To provide a reliable and valid tool for weight management research and practice.

Main Methods:

  • A 13-item Quick Checklist for Self-Efficacy for Calorie Control and Exercise (QCSE-CCE) was administered to 425 adults.
  • Exploratory (Principle Axis Factoring) and confirmatory factor analyses were used to determine construct validity.
  • Reliability was assessed using Cronbach's alpha and test-retest stability.

Main Results:

  • Factor analysis revealed a robust three-factor structure explaining 72.8% of the variance.
  • Confirmatory factor analysis supported good model fit, indicating strong construct validity.
  • The QCSE-CCE demonstrated adequate predictive validity and excellent internal consistency (Cronbach's alpha .87–.91) and test-retest reliability (r=.69).

Conclusions:

  • The QCSE-CCE is a psychometrically sound instrument for assessing self-efficacy in calorie control and exercise.
  • This checklist can be a valuable tool for clinicians and researchers in weight management programs.
  • The findings support the use of the QCSE-CCE to enhance interventions aimed at improving weight management outcomes.