A group of American students switches places with a group of Egyptian students in a foreign exchange program. Students who were placed together in small groups with a host family expressed a higher prevalence of signs of culture shock than students placed alone in a family. This difference might be due to:

A. group think.
B. deindividuation.
C. group polarization.
D. cultural bias.

C. Group polarization.

Explanation: Group polarization can be explained as a collective behavior exhibited by a group such that a group of individuals are collectively inclined to employing an extreme or excessive attitude, action or behavior towards a particular subject than the original attitude, action or behavior of the individual member of such group.

The extremism in the action or attitude caused by group polarization may be in the form of the degree of being cautious or otherwise.

Group polarization holds that group actions is driven by how an individual's initial attitude has been strengthened after a group deliberation and determines the extremism in action exhibited by the group.

  b.

there are isolated pockets of farming, generally around rivers and oases, which are used for irrigation.