Examination of seven refereed journals over a 10-year period (1977-1986) identified 28 papers using single-subject research methodology in studies involving preschool-aged children with handicaps or their families. Five types of single-subject designs were found to be used both alone and in various combinations. Of the 30 research designs…

Beginning in 1950 the National Association for Research in Science Teaching and the U.S. Office of Education collaborated in preparing an annual summary of research in the teaching of science. The present bulletin continues their cooperative effort. This analysis of research in the teaching of science contains reports of published studies…

This publication continues the annual series of bulletins begun in 1950 as a cooperative undertaking between the National Association for Research in Science Teaching and the Office of Education. The present bulletin summarizes and interprets the research in science education from July 1956 to July 1957. The improvement of teaching in science, as…