Studies the sequence in development of conservation concepts in 19 language-impaired children aged 6-9 years and 20 children of 3-11 years who had no impairment. The two groups showed a similar sequence of development regardless of delay. Conservation of number appeared first, followed by weight, substance, length, area, and volume. (RJC)

Investigated possible priming effect of two neuropsychological tests, the Booklet Category Test (BCT) and Wisconsin Card Sorting Test (WCST). Obtained counterbalanced order effects on like-aged sample of 63 South African elementary school students (normally- achieving, low-functioning, learning-disabled). Found a significant effect of set-shifting…

Discusses the debate on curriculum content and quality for children with profound and multiple learning difficulties. Points out that new and imaginative patterns of teaching and learning need to be explored across those children's lifespans. Suggests that through high quality early intervention and an innovative curriculum, educators must ensure…