Abstract: Based on the definition of the knowledge conflict and its types, the group effectiveness and its measurement, the relationship model between the knowledge conflict and the group effectiveness is setup, certain hypotheses are brought forward and investigation questionnaires for the case verification are obtained by visiting more than 120 group-members with group-work experiences in 10 companies. In the last part, the research results are discussed, and the shortage and direction for the further research in this area are analyzed.

Key words: knowledge conflict, group effectiveness, knowledge conflict management