Perceived Physical Literacy in Adult and Elderly: Psychometrics of the PLAS Scale in the Iranian Population

Document Type : Original Research

Authors

1 Faculty of Psychology and Educational Sciences, Department of Physical Education and Sport Sciences, Yazd University, Yazd, Iran

2 Faculty of Psychology and Educational Sciences, Department of Physical Education and Sport Sciences, Yazd University, Yazd, Iran.

3 Department of Educational Management, Faculty of Psychology and Educational Sciences, Semnan University, Semnan, Iran.

Abstract

Objective: Physical literacy is recognized as a core concept in physical education, physical activity, and sports promotion worldwide. Despite its pivotal role in shaping healthy behaviors and promoting lifelong engagement in physical activities, the lack of valid assessment tools for adult and elderly populations has posed challenges to understanding this construct. This study aimed to validate and assess the reliability of the Persian version of the Perceived Physical Literacy for Adults and Elderly (PLAS) scale.
Methods: This descriptive-correlational study included 358 adults and elderly individuals (aged 18–75 years). The translation validity of the questionnaire was confirmed through a back-translation method. Construct validity was evaluated using confirmatory factor analysis (CFA) within a structural equation modeling (SEM) framework, and internal consistency was assessed using Cronbach’s alpha. Temporal reliability was measured via intraclass correlation coefficient (ICC) and test-retest methods.
Result: The results indicated that the model fit indices (Goodness-of-Fit Index and Comparative Fit Index) were at acceptable levels. Temporal reliability and Cronbach’s alpha for all subscales, including self-efficacy and its dimensions, exceeded 0.7 (the minimum acceptable threshold).
Conclusion: The Persian version of the PLAS scale demonstrates satisfactory validity and reliability, making it a suitable tool for assessing perceived physical literacy among Iranian adults and elderly populations.
Keywords: Physical Literacy, Adults, Elderly, Iranian Population.

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History

  • Receive Date: 11 September 2025
  • Revise Date: 09 October 2025
  • Accept Date: 24 November 2025
  • Publish Date: 22 December 2025

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