Visual elements that used in lessons are necessary because they make learning more permanent. Also the visuals that used in evaluation part of the lesson should decrease the anxiety of students and provide them with correct evaluation. The board games among the visuals which can be used in evaluation part are quite effective for getting feedback…

The aim of this study was to investigate the effectiveness, generalizability, and the permanency of the instruction with the touch math technique. Direct instruction was used to the instruction of the basic summation skills of the students with mild intellectual disabilities. A multiple probe design across the subjects was used in this study. The…

Effectiveness of a simultaneous prompting procedure was evaluated for students with mental retardation at different levels of schools (preschool, primary and secondary grades) using various discrete tasks. Participants included three students whose functioning levels ranged from typically developing to mild and moderate mental disabilities.…