Manipulatives are widely considered an effective practice and have been recommended as an evidence-based practice for students identified with a learning disability when used within the concrete--representational--abstract instructional framework. The aim of the current study was to evaluate single-case experimental designs that implemented a…

Third to sixth graders (n=508) completed the Children's Disturbingness Scale. Findings indicated significant multivariate differences for gender and age, with girls and younger students more disturbed by virtually all categories of behaviors. Implications for inclusion are discussed. (Author/DB)

Teachers of learning disabled, behavior disordered, educable mentally retarded, and nonhandicapped students ages 6-18 (N=1913) rated their students on the Abbreviated Teacher Rating Scale, a measure used to assess hyperactivity. Prevalence, distribution, and patterns of hyperactivity were analyzed, as well as age and sex differences.…