This study explored the problem of increasing vocabulary through peer tutoring at the primary level. It sought to determine whether greater opportunity to learn can be provide through peer tutoring by untrained primary grade tutors or untrained upper grade tutors. The effects of tutoring on sight word gains of receivers versus non-tutored controls…

Achievement gains of 78 fourth-grade students taught with an individualized approach using peer teaching were compared with gains of 64 fourth-grade students in another school who were taught with a basal-reader approach. Analysis of results from pretesting and posttesting with the Iowa Tests of Basic Skills indicated that the gains of the…