Assessing the internal reliability and construct validity of the General Movement Competence Assessment for children

Jonathan Leo Ng, Chris Button, Dave Collins, Susan Giblin, Gavin Kennedy

Research output: Contribution to journalArticlepeer-review

Abstract

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.
Original languageEnglish
Pages (from-to)87-106
JournalJournal of Motor Learning and Development
Volume8
Issue number1
Early online date1 Oct 2019
DOIs
Publication statusPublished - 30 Apr 2020

Keywords

  • coordination
  • dexterity
  • Microsoft Kinect
  • motor development
  • psychomotor performance

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