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. 2017 Oct 21;29(10):1726–1731. doi: 10.1589/jpts.29.1726

Table 5. Intra-rater reliability (Cronbach’s alpha, ICC and Pearson correlation coefficients).

TGMD-2 scores Assessment 1 Assessment 2 Cronbach’s alpha ICC Pearson correlation coefficients
Locomotor raw scores 36.9 ± 8.72 38.3 ± 7.76 0.98 0.98*** 0.96***
Object control raw scores 27.8 ± 6.62 28.8 ± 7.36 0.95 0.95*** 0.91***
Gross motor quotient 105.3 ± 17.1 108.0 ± 17.2 0.97 0.97*** 0.94***

Mean ± SD, ICC: Intraclass correlation coefficient, ***p<0.001