Diane and her creative team need to present an idea for marketing a new detergent to the head of their advertising agency. Norm, a member of the team, always resented Diane's promotion to team leader. He objects to every idea Diane suggests and spends the entire meeting selling his approach. Norm hopes that this will be a chance to show his skills to the head of the agency. This self-serving behavior is known as and it tends to take a team away from the pursuit of its performanoe objectives.groupthink.enal displayement.decision rationale.rele modeling:social pressure.