That Group Support Systems (GSS) can enhance group performance appears to be the case. However, GSS research has drawn heavily from a rational perspective, one that may not be able to comprehend the full range of phenomena at play in group meetings. Although a social perspective may provide greater explanatory power, little has been done to investigate GSS phenomena from this viewpoint. This paper considers more fully the social impacts of GSS by varying levels of GSS restrictiveness and assessing the effect that this may have on group cohesiveness. We find that groups in the more restrictive treatment experienced lower perceived cohesiveness than did those in the non-restrictive treatment