Groupshift is a phenomenon related to groupthink, specifically describing the way group members tend to exaggerate their initial positions when discussing a given set of alternatives. In a group setting, the collective decision often shows a shift toward a more extreme version of the position held by members before the discussion began. While many people assume groups always lead to more conservative decisions, groupshift demonstrates that the shift can move in either direction: toward greater caution or toward greater risk.
The shift toward risk is more common in many organizational settings. This occurs for several reasons: first, the shared responsibility of a group diffuses the accountability for any single individual, making them feel bolder. Second, members who are more willing to take risks may be perceived as more confident and thus exert more influence over the group's final decision. Conversely, if the initial atmosphere of the group is conservative, the discussion tends to reinforce that caution, leading to a "shift" toward even more extreme avoidance of risk. Understanding groupshift is vital for managers because it highlights that group decisions are not necessarily "average" or "moderate" versions of individual opinions; rather, the social dynamics within a group can drive the collective toward extremes that no single member might have chosen independently.
Recognizing this allows leaders to implement checks and balances, such as appointing a devil's advocate, to ensure that the group does not drift into a dangerous or overly timid position due to the social reinforcement of the shift phenomenon.