The purpose of this research is to explore the effects of organizational politics on employee performance in a public bank in Tehran. The research method in this field study was descriptive and applied. Statistical population consisted of   employees of Bank Melli branches in Tehran. Data were collected from a sample of 205 employees. The sample was picked through syste...

The aim of this study was to investigate the relationship between conflict management styles and performance of national sport federations heads. The statistical population of this investigation included presidents and vice- presidents of national sport federations. (According to 52 federations, they were 150 people) that all of them considered as the survey samples. According to the aims of su...

abstract the first purpose of this study was to investigate the effect of consciousness-raising (c-r) activities on learning grammatical structures (simple present tense in this case) by iranian guidance school efl learners. the second one was to investigate the effect of gender on learning the simple present tense through c-r activities and tasks. finally, this study aimed to investigate the ...

Background: Cerebral palsy can be defined as impaired motor control and posture caused by damage to the central nervous system and imposes damage in the future life of the person. Method: This is a report of 5 year-old case suffering from mild cerebral palsy referred to speech therapy due to the lack of clarity of speech. Evaluating speech of the child, central vocabulary approach began due to ...

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...