4. a) In the model of team effectiveness, much more than goal accomplishment is involved. true or false ? b) According to a recent poll, only 25 percent of adults surveyed respected CEOs. true or false? c) According to Zand's model, leaders who want to be trusted must be influenced by their followers with respect to goals and procedures.true or false d) When employees feel that they are trusted, they tend to trust others in return. true or false?