Abstract
The purpose of this study was to examine the inter- and intrarater reliabilities of the Test of Gross Motor Development—third edition (TGMD-3). The TGMD-3 was administered to 10 typically developing children. Five raters with experience using the Test of Gross Motor Development—second edition (TGMD-2) scored the digitally recorded performances and then rescored the same performances after a period of 2 weeks. Intraclass correlation (ICC) was used to examine both inter- and intrarater reliabilities of scores. Interrater reliability for the total score, locomotor subscale, and ball skills subscale (ICC: 0.92–0.96) were all excellent, while individual skills (ICC: 0.51–0.93) had fair-to-excellent reliability. Intrarater reliability across all raters was also excellent (ICC: 0.77–0.98) but varied widely for individual raters (ICC: 0.28–1.00) including multiple examples of poor reliability. While raters experienced with the TGMD-2 can produce consistent scores for TGMD-3 total scale and subscales, additional training is needed to improve skill-specific reliability.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 442-455 |
| Number of pages | 14 |
| Journal | Adapted Physical Activity Quarterly |
| Volume | 34 |
| Issue number | 4 |
| DOIs | |
| State | Published - Oct 2017 |
| Externally published | Yes |
Keywords
- Assessment
- Motor skills
- Reliability
- TGMD-3
ASJC Scopus subject areas
- Physical Therapy, Sports Therapy and Rehabilitation
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