The present study aimed to investigate the effects of problem-solving skill on interpersonal compatibility and effective social relations among all junior high school students of Babolsar in 1395-6. A sample including 40 male students from among two junior high schools was selected through a single-stage cluster sampling technique.Having administered instruments like The Teenage Inventory of Social Skills (TISS; Inderbitzen& Foster, 1992) and Interpersonal Problems Inventory (Barkham et al.) to all students of the two schools, the researchers selected those testees who gained the lowest as well as the highest scores in social skills test and interpersonal problems questionnaire, respectively.

problem-solving instruction, effective social relations, interpersonal compatibility