INTRODUCTION: The present study aimed to identify the factors affecting the effective In-Service training of employees at the Red Crescent Society of Zanjan province. METHODS: This mixed methods research was conducted in two stages. Firstly, the factors affecting the effectiveness of in-service training of employees at the Red Crescent of Zanjan Province were determined through semi-structured interviews with 15 experts in this field (experts and managers of the Red Crescent Society of Zanjan Province). Thereafter, the opinions of 234 Red Crescent employees about these factors were assessed via a Likert scale questionnaire. FINDINGS: Based on the results, the factors affecting the effectiveness of In-Service training among the employees at Red Crescent Society of Zanjan Province included support and supervision, organizational climate and learning organization, change of attitude and thinking, rules and regulations, processes, technical equipment and technology, as well as professional knowledge and skills. CONCLUSION: The results pointed out that, in general, all the factors affecting the effectiveness of training were identified and explained in three categories: structural, behavioral, and environmental.
