Introduction: The thought of commitment is a main subject in management writings. This kind of thought is one of the basic values and thoroughly essential for organization effectiveness. In addition, staff train and education efficiency and effectiveness are influenced by life style and job interest of organization members; since some variables such as stimulation, job interest, and teacher's organizational commitment effects on the entire schools efficiency. That Sir jivoani (2009) believes, efficient schools provide professional context for teachers duties done and interestingly their cooperation to take decision and identifying aims that influence on their work and also this context provides further development opportunity for the teachers and in the end these conditions results in creativity, resistant o problems and commitment to the job among teachers. So, according to the importance of the performance of the scientific faculty members in improvement of educational system action and the dynamic relationship between life style structures and job interest in the success of developing organizational commitment strategy, this research aims to examine these variables among physical education teachers in 5th area of Tehran city.
Methodology: The current research is a applied research in terms of its aim and is descriptive-survey one in terms of its method which is done in field study. The statistical population is the total physical education teachers in 5th area of Tehran city that are 190 members, out of which 127 members were explored by the use of Cochrane formula and simple random sampling. The tools of data collection were three questionnaire of Mi yer nad Alen organizational commitment questionnaire (1990), Kango job interest questionnaire (1983) and Miler and Smith life style questionnaire that were 5items Likert scale. Content validity of the questionnaires were examined by professors and experts and their reliability calculation by Cronbach coefficient respectively were 0.85, 0.81, and 0.86. Data analysis, central tendency and scatterings were calculated by SPSS software, and one way variance analysis and multiple regression test were used to test the hypotheses.
Results: The result showed that there is a direct and significant relationship between set of life style (R-0.37), job interest (R-0.60) and set of life style and job interest (R- 0.68) with organizational commitment (p=0.01). In addition life style (t-4.33), job interest (t- 8.38) and life style and job interest (t- 4.33) can predict physical education trainers' organizational commitment (p=0.01).