Ever since christmas, santa has been plagued by the constant worry that he has forgotten to deliver some of his presents. he finds that the only way to get this thought out of his head is to periodically check his sleigh for undelivered presents. santa's worried thoughts are called and his checking behaviors are called

Recall that in one condition of the experiment conducted by stasser and titus (1985) about student council president candidates, all group members had access to the same information, and that in another condition, members had unique information that other group members didn't know. in the second (unshared information) condition, the group made a worse decision than in the first (shared information) condition. this occurred because groups seldom can agree on who is most expert. focus discussion on the information that all members know. often ignore dissenting opinions. avoid differences of opinion, given conformity pressures.