This study examined the effectiveness of the First Step to Success (FSS) early intervention program with four Native-American students, their teachers, and their parents on (a) targeted students' problem behaviors, (b) class-wide student behaviors, and (c) teacher behaviors. Participant teachers and parents were also interviewed to gather their…

This study evaluated the impact of intensive behavioral treatment by parents in the home setting on the development of 11 young autistic children. Compared to a control group, the children had significantly higher posttreatment IQ scores. Smaller, but statistically significant effects on symptom severity were also found, although experimental…