A detailed investigation of a single social unit in order to study it in depth is______________?
		A.	a case studies
B.	participant observation
C.	sample survey
D.	laboratory experiment
		A.	a case studies
B.	participant observation
C.	sample survey
D.	laboratory experiment
		A.	symbol systems
B.	cultural traits
C.	normative systems
D.	human values
		A.	power is spread through multiple centers
B.	policy reflects the wishes of a few elites
C.	significant decisions are made by the upper classes
D.	power is in the hands of a small homogeneous class of leaders
		A.	are doomed to total disorganization
B.	are too expensive
C.	stimulate creativity
D.	will revert to rural areas within a short time
		A.	brinkmanship
B.	statecraft
C.	high politics
D.	low politics
		A.	Past levels of income
B.	Future expected profits
C.	Present national income levels
D.	Historic data
		A.	the place time and circumstances
B.	the social status of the person committing the act
C.	the social status of those judging the act
D.	all of the above