Table 3.  Reliability aspects.

Test

Inter-rater reliability

Intra-rater reliability

Test-retest reliability

Other reliability aspects

MOT 4-6

r = 0.88 (product-moment orrelation)
n = 32 children 5 raters
NR r = 0.85 (4 weeks n = 47) Split half r = 0.80 (Odd-even). Internal consistency: 0.806 (Cronbach’s Alpha)SEM 2,185

M-ABC

Reliability reported for TOMI-H n = 360, 3 raters: ICC = 0.70
62-100% match between raters
NR Reliability reported for TOMI-H n = 360, 3 raters: ICC = 0.75; 0.64 (4-6), 0.43 (6-8), 0.96 (9-10), 0.97 (11-12) Reliability of cut-off scores, percentage of agreement by item, percentage of agreement for total impairment scores

PDMS 2

n= 60 , r = 0.96, 2 raters NR 2 groups of children: r = 0.89 (2-11 months; n = 20); r = 0.96 (12-17 months n= 30) Standard error of measurement: ranging from 1-5. Internal consistency: 0.97 (Cronbach’s Alpha). Coefficient alphas for six subscales over six age ranges from 0.71 to 0.98

KTK

> 0.85 ICC = 0.97 total (N= 68)ICC = 0.80 backward balanceICC = 0.95 sideward jumpICC = 0.94 displacing boxesICC = 0.96 one leg jumping r > 0.85. Comparison of averages between test and retest (all non significant) Split half Reliability r = 0.92 – 0.97

TGMD-2

Correlation for subtests and Composites ranging from 0.97 - 0.99, r = 0.84 - 0.96, n= 60, 2 examiners scoring completed protocols NR Locomotion r = 0.85Object Control: r = 0.88Gross Motor Composite: r = 0.91 Internal consistency reliability coefficients averages between 0.85 - 0.91 (Cronbach’s Alpha). Standard error of measurement (SEMs), Locomotion subtest: 1, Object Control subtest: 1,Gross Motor Quotient: 4-5. Reliability coefficients for subgroups: > 0.90s

MMT

n = 43, 0.92 Quantitative score, 0.97 Qualitative score, Individual scores all > 0.80Range 0.83 – 0.97 Video tapes of 24 (n)children were taped during testing: video. Quantitative ICC = 0.72 to 0.98 (n = 24)Qualitative ICC = 0.82 – 0.95 n = 43Ranging from 0.43 to 0.93  

BOT-2

Ranging from 0.92 to 0.99, n = 47 (Pearson’s correlation), 2 raters NR n = 134, Mean subtest correlation coefficients ranging from 0.69 to upper 0.70s. Mean composite correlation coefficients ranging from 0.77 to low 0.80s. Short form and Total Motor Composite mid- to upper 0.80s Subtest reliability ranging from high 0.70s to low 0.80s. Composite reliability coefficients ranging from high 0.80s to low 0.90s. Total Motor Composite mid 0.90s. SEMs of subtest scales near 2SEMs of composite standard scores mid 3s