In the organizations, group work is essential for effective performance, and conflicts can occur at any place where more than one person works. Intra group conflict is the current phenomena for study that guides employees to do their tasks better even in conflicts. The aim of the study was to investigate the effect of intra group conflicts (emotional and cognitive conflicts) on the employees’ work effectiveness, and the moderating role of cultural diversity at work place. The sample size of the study was 306 people, however only 180 questionnaires were filled completely that meant the rate of respondents was 68.2%. After application of the statistical tests including multiple regression spilt method and correlation, the findings of the study suggested that overall there was a significant impact of this model and all the variables were positively correlated, while the role of cultural diversity as a moderating variable was not found very strong when the cognitive conflicts occurred. Moreover, at the managerial level, there was a need to understand the relation of intra group conflicts with the work effectiveness. Therefore, as conflicts are inevitable at workplace, it is better to make them functional rather than dysfunctional, additionally, the area of intra group conflict may still have various hidden factors to be explored.
