Cognitive abilities and achievement status of children with myelomeningocele: a contemporary sample.

Designed study as a conceptual replication of Shaffer, Friedrich, Shurtleff, and Wolf (1985). Intelligence, school achievement, and perceptual motor skill data from 73 children with uncomplicated myelomeningocele were examined to determine their deviation from test norms. The respective impact of shunting and functional motor level was also assessed. The sample as a whole functioned below WISC-R and VMI norms. On the WRAT, deviation from the norms was evident only for the Arithmetic subtest. Partial replication of the Shunt X Motor level interaction reported by Shaffer et al. (1985) was obtained. Limitations of small-sample studies are discussed.