Alma lives in a predominantly Latino working-class neighborhood in Chicago, and she and many other residents are angry that there are plans to build a highly polluting municipal trash incinerator near their homes. Alma and her neighbors protest against the plan, arguing they deserve to have a clean and healthy environment just as much as anyone else does, and by doing so, they become a part of the .

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.