Agreement on movement skill performance classification between MOT 4-6 and M-ABC
The composite proportion of agreement between the identification of the MOT 4-6 and the M-ABC was 90% (95% CI between 77% and 96%).
Values of correspondence within and between the MOT 4-6 and M-ABC scores and subscores
Correlations within and between the various scores and subscores of the MOT 4-6 and M-ABC are shown in Table 4.
Forty-six percent of the variance in children's performance on the MOT 4-6 was explained by the children's performance on the M-ABC.
Values of correspondence between and within item scores of the MOT 4-6 and M-ABC cluster scores
These will be discussed along with issues relating to the use of the M-ABC for a young group of referred children with motor difficulties.
The variability in the children's performances on the M-ABC (as shown in Figure 1) corroborates the heterogeneity of the group (Missiuna 1994, Sellers 1995).
The M-ABC was used to divide the group as described.
One major difference between the NDPA and the M-ABC is in the requirement to maintain performance.
A number of studies have reported issues with the M-ABC, for example, High et al (2000) reported that when comparing the M-ABC and NDPA that the M-ABC does not provide information on motor planning, bilateral integration or sequencing.
Pless et al (2002) reported that children performing in the group scoring [less than or equal to] 15th%ile on M-ABC at 5-6 years of age were likely to change groups when retested at 7-8 years.