RESUMEN
One of the useful and cost-saving methods in promotion and coordination of nursing profession with improvement resulted from technology social and medical science is the in- service training, to participate of medical centers staff in the course depend on a variety of motivational factors. This study intend to determine the factors related to nurses motivation in participating the program of in service training. In a descriptive study, 229 nurses chose their motivation factors in participation in the in service training through completion of standard 27-qusestion-questionnaire with the likert scale about domains of personal, organizational, professional factors and factors related to periodical programming. About factors involved in nurses motivation for participating in the in service training, they select professional [85.2%], personal [79%], programming [30.6%] and organizational [30.6%] factors for participating in the in service training. The significant relationship were observed between organizational factors and sex [P<0.001] and workplace [P<0.005], between professional factors and the type of employment [p<0.004], and between program factors and sex [P<0.004], and type of employment nurses [p<0.002]. Most of motivation factors to participation of nurses in the in service training is personal and professional factors. Therefore it is necessary that health care organizations consider other organizational related factors. This study is the first study in military hospitals therefore the results could be useful for other military medical centers