This research was accomplished to design and to verify a model for analyzing of group factors affective on creativity in the research institutions. To achieve this goal, after studying the creativity literature, we presented a conceptual model based on the mentioned literature, containing four variables: creativity, group diversity, group cohesiveness and group communications system.
Based on the conceptual model, a questionnaire was developed to measure the variables. We controlled and surveyed their contents and finally 308 questionnaires were gathered.
Then the obtained data were analyzed according to the research hypothesis with the help of a software named LISREL8.5 in the form of a model: the obtained results showed that the group cohesiveness directly, the group communications system indirectly and the group diversity directly and indirectly are effective in the researchers creativity of the research institutions.