Psychometric properties of the School Participation Questionnaire: Testing a measure of participation-related constructs

Donald Maciver, Vaibhav Tyagi, Lorna Johnston, Jessica M. Kramer, Janet Richmond, Liliya Todorova, Dulce Romero-Ayuso, Hiromi Nakamura-Thomas, Margo van Hartingsveldt, Anne O'Hare, Kirsty Forsyth

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

AIM: To explore concurrent validity, convergent validity, interrater reliability, test-retest reliability, and Rasch model analysis of the School Participation Questionnaire (SPQ), a tool for teachers to assess personal and environmental determinants of school participation.

METHOD: Teachers of children with additional support needs, including intellectual disability, autism, and learning difficulties completed measures. Data were collected using the SPQ and the Participation and Environment Measure for Children and Youth (PEM-CY). Test-retest and interrater reliability were assessed using intraclass correlation coefficients (ICCs). Internal consistency was assessed with Cronbach's alpha. Concurrent and convergent validity were explored via correlations with the PEM-CY. Further psychometrics were examined using a Rasch model.

RESULTS: One hundred and eighty-seven children (136 [72.7%] male; mean age 9y [range 5y 6mo-12y 10mo, SD 2y]) were assessed by 67 teachers. Cronbach's alpha, test-retest, and interrater reliability were acceptable-excellent across each SPQ scale (alphas=0.89, 0.9, 0.94, 0.79; test-retest ICCs=0.64, 0.61, 0.78, 0.62; interrater ICCs=0.85, 0.71, 0.90, 0.81). Concurrent and convergent validity were confirmed with significant positive correlations between SPQ and PEM-CY. After Mokken and Rasch model analysis, person and item reliability were good, and unidimensionality was confirmed. Mean administration time was 8.2 minutes.

INTERPRETATION: The results suggest that the SPQ is a rapid, reliable, and valid tool for assessment of participation-related indicators in schools.

Original languageEnglish
Pages (from-to)847-854
JournalDevelopmental Medicine & Child Neurology
Volume64
Issue number7
DOIs
Publication statusPublished - Jul 2022

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