Assessing the Internal Reliability and Construct Validity of the General Movement Competence Assessment for Children

in Journal of Motor Learning and Development
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Validated assessment tools for movement competence typically involve the isolation and reproduction of specific movement forms, which arguably neglects individuals’ ability to combine and adapt movements to overcome constraints within a dynamic environment. A new movement assessment tool, the General Movement Competence Assessment (GMCA), was developed for this study using Microsoft Kinect. Movement competence of 83 children (36 boys and 47 girls), aged 8–10 years (9.06 ± 0.75 years) was measured using the GMCA. An exploratory approach was undertaken to examine the internal consistency reliability (McDonald’s omega coefficient) and factorial structure of the GMCA for the study sample. Factorial structure was determined using exploratory factor analysis by principal component analysis with varimax rotation. For the sample data, reliability for the GMCA games were acceptable (ω = 0.53–0.89) and indicated that combinations of movement attributes were measured by GMCA games. Factorial analysis extracted four movement constructs accounting for 71.31% of variance. Dexterity was tentatively identified as a new independent construct alongside currently accepted movement constructs (i.e., locomotion, object-control, stability). While further development of the GMCA is still required, initial results are encouraging in view of an objective and theoretically informed approach to assess general movement competence in children.

Ng, Button, and Kennedy are with the School of Physical Education, Sport, and Exercise Sciences, University of Otago, Otago, Dunedin, New Zealand. Collins and Giblin are with the Institute of Coaching and Performance, University of Central Lancashire, Preston, Lancashire, United Kingdom. Collins is also with Grey Matters for Performance Ltd., Stratford-upon-Avon, United Kingdom; and Human Performance Science Research Group, Moray House School of Education and Sport, University of Edinburgh, Edinburgh, Scotland, United Kingdom.

Ng (jonathan.ng@otago.ac.nz) is corresponding author.

Supplementary Materials

    • Supplementary Table 1 (pdf 87 KB)