Which of the following trends are supported by the comparing the 1972 and the 2000 General Social Surveys?
a. The percentage of singles remained the same.
b. The percentage of singles doubled.
c. The age at marriage increased for men but not for women.
d. The age at marriage decreased for both men and women.
e. Both a and c above
B
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Stratifying a population prior to drawing a sample: a. generally occurs when the variables used to stratify are known to be associated with the dependent variable
b. eliminates the need for simple random sampling. c. is most useful for studying a homogeneous population. d. eliminates the need for probability sampling. e. is an alternative systematic sampling.
Psychologist Jean Piaget was a pioneer in the field of __________, which explores how people's ability to think and process information changes over time
a. psychoanalysis b. psychosocial development c. cognitive development d. symbolic interactionism
When inadequate moisture in an area makes planting crops impossible________—the domestication of large animals to provide food—develops
a. corporate farming b. hunting and gathering c. pastoralism d. egalitarianism
What took the place of the manufacturing system?
a. the feudal system b. Chinese markets c. the Middle Ages d. modern industry