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)

An obervational study of micro-educational environments and microcomputer use within these environments was conducted in special day classes, resource rooms, and mainstream classrooms (N=90). Mildly handicapped students in special education settings had less variety to their instructional experiences than did either handicapped or nonhandicapped…