Portuguese Physical Literacy Assessment Questionnaire (PPLA-Q) for Adolescents: Validity and Reliability of the Psychological and Social Modules using Mokken Scale Analysis

Author:

Mota João123ORCID,Martins João12,Onofre Marcos12

Affiliation:

1. Centro de Estudos de Educação, Faculdade de Motricidade Humana, Universidade de Lisboa, Estrada da Costa, Cruz-Quebrada-Dafundo, Oeiras, Portugal

2. UIDEF, Instituto de Educação, Universidade de Lisboa, Alameda da Universidade, Lisbon, Portugal

3. School of Education, Sports Studies and Physical Education Programme, University College Cork, Cork, Ireland

Abstract

We examined the construct validity and reliability of the previously developed Psychological and Social modules of the Portuguese Physical Literacy Assessment Questionnaire (PPLA-Q) using Mokken Scale Analysis in a sample of 508 Portuguese adolescents in public schools in Lisbon. We used a retest subsample ( n = 73) to calculate the Intraclass Correlation Coefficient. Eight PPLA-Q scales can be interpreted as moderate-to-strong Mokken scales (H = .47–.66) with good total-score reliability (ρ = .83–.94), and moderate-to-excellent test-retest reliability (ICC95%CI = .51–.95); four scales had an interpretable invariant item ordering. All but the Physical Regulation scale functioned similarly across sex. Scale-scores correlated as expected, with low-to-moderate correlations across domains supporting convergent and discriminant validity. These results support the construct validity and reliability of the PPLA-Q to assess the psychological and social domains of physical literacy in Portuguese adolescents (15–18 years) enrolled in physical education.

Funder

PhD Grant University of Lisbon 2017

Publisher

SAGE Publications

Subject

Sensory Systems,Experimental and Cognitive Psychology

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