Inter-rater and test–retest (between-sessions) reliability of the 4-Skills Scan for Dutch elementary school children

Willem G. van Kernebeek, Antoine W. de Schipper, Geert J.P. Savelsbergh, Huub M. Toussaint

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    In The Netherlands, the 4-Skills Scan is an instrument for physical education teachers to assess gross motor skills of elementary school children. Little is known about its reliability. Therefore, in this study the test–retest and inter-rater reliability was determined. Respectively, 624 and 557 Dutch 6- to 12-year-old children were analyzed for test re-test and inter-rater reliability. All tests took place within the school setting. The outcome measure was age-expected motor performance (in years). Results showed a small practice effect of .24 years for re-test sessions and assessment of motor skills was possible with acceptable precision (standard error of measurement = .67 years). Overall, intraclass correlation coefficient (ICC) was .93 (95% confidence interval: .92–.95) for test–retest reliability and .97 for inter-rater reliability. For the repeated measures, the smallest detectable change (SDC) was 1.84 and limits of agreement were –1.60 and 2.08 years. It can be concluded that the 4-Skills Scan is a reliable instrument to assess gross motor skills in elementary school children.

    Original languageEnglish
    Pages (from-to)129-137
    JournalMeasurement in Physical Education and Exercise Science
    Issue number2
    Publication statusPublished - 2018


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