Despite decades of advocacy, most students with developmental disabilities continue to spend the majority of the school day in self-contained special education classrooms. However, there is tremendous variability of educational placement across the United States. Identification of geographic trends that explain this variability could provide…

This study examined achievement gains in reading and math for Hispanic middle school students with specific learning disabilities in inclusive versus segregated settings in a large urban school district. The authors report learning gains for students with and without disabilities in inclusive versus segregated settings. Results indicate no…

Thirty-five studies on the efficacy of special class versus regular class placement for mildly handicapped students were reviewed for the power of their statistical tests. Twenty-one studies had adequate power to detect a large effect size but the power to detect a medium effect size was no better than chance. (Author/DB)

A canonical correlation model was applied to data on 36 primary level classes for educable mentally retarded students to determine whether classroom means and standard deviations on a criterion variable were predictable from classroom means and standard deviations on input measures. (Author/MC)

Whether grouping children into special classes on the basis of IQ scores is educationally defensible was investigated using 492 educable mentally retarded (EMR) students, 12-15 years of age, during two field tests (1971-73). The curriculum used was the Me and My Environment biological sciences program. The following three test instruments were…