<P> Type I: Overestimations of the group--its power and morality </P> <Ul> <Li> Illusions of invulnerability creating excessive optimism and encouraging risk taking . </Li> <Li> Unquestioned belief in the morality of the group, causing members to ignore the consequences of their actions . </Li> </Ul> <Li> Illusions of invulnerability creating excessive optimism and encouraging risk taking . </Li> <Li> Unquestioned belief in the morality of the group, causing members to ignore the consequences of their actions . </Li>

In order to prevent the occurrence of group think a group leader should