Introduction: Mentally retarded is accompanied with many problems including relationship difficulty with parents and behavioral problems, and one of the training methods for reducing behavioral and communication problems is parent-child interaction training. As a result, the aim of this study was determine the effectiveness of parent-child interaction group training on behavioral problems and m...

Background and purpose: Violence against children and adolescents is a worldwide concern that has always received much attention. The purpose of this research was to investigate the relationship between child maltreatment in family and behavioral problems in high school adolescents in Kermanshah. Material and methods: In a cross-sectional study, 193 boys and girls studying in high school in ...

abstract: in this thesis, we focus to class of convex optimization problem whose objective function is given as a linear function and a convex function of a linear transformation of the decision variables and whose feasible region is a polytope. we show that there exists an optimal solution to this class of problems on a face of the constraint polytope of feasible region. based on this, we dev...

The study was done in order to determine the effectiveness of cognitive-behavioral approach based on Family therapy in reducing behavioral problems in adolescents who have fathers with substance abuse.The method of research of this study was implemented within experimental single subject design by using single base lines. The subject was a 13 year- old boy who was at 8th grade and was the only ...

The aim of the present study was to investigate psychological damage aspects, including the Internalizing and externalizing problems based on the dimensions of behavioral activation system (BAS) and behavioral inhibition system (BIS). For this purpose, first, 270 persons of high school adolescent students (including boys and girls) of arak's schools were selected through a multistage cluster sa...