3.1. Research Design and Sample
intellectual disabilities
A randomized study was conducted to assess the impact of cognitive behavioral therapy on children with intellectual disabilities. This study looked at the uncontrolled before-after design. There was no control group in the study. The experiment involved students of specialized boarding school No. 7 and Zhanuya boarding school (Almaty). These were 5-7 grade students. The age of the respondents was 11-13 years old. The experimental group consisted of 350 participants. There were 180 boys and 170 girls among the respondents. The objectives of the experiment were to introduce cognitive therapy into the education of children with intellectual disabilities. A specialized test to assess communicative competence was also used to clarify the extent of socialization problems and to verify effectiveness. This questionnaire was administered to evaluate the effectiveness of the comprehensive methodology. Further perspectives of the cognitive therapy strategy were also evaluated. Specialized testing was used to analyze the progress of the study. It was conducted and evaluated by a specialist in psychology. Outside the study, the children attended school in accordance with their timetable. No additional psychological therapy was performed.