Justin is in charge of risk analysis at his company. He suspects that the senior staff might be falling victim to groupthink. Which remedy is most likely to be effective? a. Believing of the superior morality of the group. a. Believing of the superior morality of the group. b. Following a strong leader. b. Following a strong leader. c. Appointing some members to be "mind guards." c. Appointing some members to be "mind guards." d. Use of outside experts