<Dd> A group remains committed to a given plan primarily due to the investment already made in that plan, regardless of how inefficient and / or ineffective it may have become . </Dd> <Dd> A group choosing to use some information despite having been told it should be ignored . </Dd> <Dd> Group members falsely over-estimate the accuracy of and / or the relevance of their past knowledge of a given outcome . </Dd> <P> Overlooking useful information . This can include: </P>

When a group is making a decision the option that is typically chosen is the one that is