The study, with four mildly retarded primary-age students, found that constant time delay was an effective instructional strategy when students were taught to read sight words and that incidental learning also occurred as each student acquired some nontargeted spelling information. (Author/DB)

This final report of the Group Errorless Teaching Strategies Research Project is organized by the project objectives and covers planned and actual activities and outcomes. Objective 1 involved a review of the literature related to teaching students with mild and moderate mental handicaps in group settings and resulted in three articles which…