What is the most combatant to groupthink of the ones provided in essential communication from chapter 6 text Debbie we have responsibilities between group members so decision-making power isn't in the hands of a few contributions of group members in such a way that each person input and output is recorded so they can be discussed encourage and reward the expression of minority and dissenting opinions allow members to submit ideas prior to a discussion so that the opinions aren't swayed by member who proposed ideas earlier in the discussion question each major decision regarding its weakness and potential negative consequences relative to completing decisions encourage members to play Devil's Advocate have decisions reviewed by an outside party that wasn't involved in the decision-making process have a reflection period after decision is made and before it is implemented during which group members can express reservations or second thoughts about the decision in the bay of pig invasion