عنوان مقاله [English]
Educational groups as related loop to education factors, teachers and students have a sensitive and special position in achieving educational objectives. The goal of present study is investigate the structural relationship of knowledge sharing with effectiveness of educational groups by mediating in-group trust and intra-group collaboration of teachers of three educational levels of schools in Babol. Present study is a practical research on the basis of purpose and is a type of descriptive-correlative researches on the basis of data collection method. Statistical population of the study included all the teachers of elementary (or primary), first session and second session of secondary education (3100 people) in the academic year 1396-97 that 200 people (82 men and 118 women) were selected as sample using stratified sampling method. All the teachers of study sample completed the questionnaires of knowledge sharing, in-group trust, intra-group collaboration and effectiveness of educational groups. In order to test the reliability of these instruments, Cronbach’s alpha was used. The data was analyzed through structural equation model and by SPSS and LISREL software. The findings showed that there is a positive and significant relationship between knowledge sharing, in-group trust and intra-group collaboration with effectiveness of educational groups. Knowledge sharing has a direct and significant effect on effectiveness of educational groups. Also, knowledge sharing with mediating the in-group trust has an indirect and significant effect on effectiveness of educational groups. Knowledge sharing with mediating the intra-group collaboration has an indirect and significant effect on effectiveness of educational groups.