What is the relationship between leader-follower communication and performance in in-groups and out-groups? For in-groups, more communication is predictive of higher performance , for out-groups, more communication is predictive of lower performance . For both in-groups and out -groups, more communication is predictive of lower performance . For in-groups, more communication is predictive of lower performance, for out-groups, more communication is predictive of higher performance . For both in-groups and out- groups, more communication is predictive of higher performance