Background and Purpose: Problem solving is one of the structured cognitive programs that provides a range of efficient responses to deal with the problematic situations of life. The purpose of this study was to determine the effect of family / school-based problem solving training on problem-solving styles of elementary students. Method: The present study was an experimental research with prete...

The purpose of this research is to determine the effects of cognitive training using software programs on improving the performance of students' skills in solving the mathematical problems. The method of this research was semi-experimental with using pre-test post-tests and control group. For this purpose, first by random multi-stage cluster, 180 male students of fourth-grade were selected, the...