Most researchers agree that, in the United States, the frequency of marital coitus
A) increases with age and length of time married.
B) decreases with age and length of time married.
C) shows tremendous variability with age and time with increases among those with higher income levels and decreases among those with lower income levels.
D) is impossible to study since people will not divulge this kind of information.
B
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3. When members of ethnic groups are disproportionately over- or under-represented in particular social classes, this is a mark of:
a. ethnic stratification b. social mobility c. ethnic conflict d. ethnic assimilation
In a classic experimental design, the independent variable can be manipulated, controlled, introduced, or it can occur naturally
a. True b. False Indicate whether the statement is true or false
The vast majority of parents in the United States do not spank or slap their children.
Answer the following statement true (T) or false (F)
Xuxa was a Brazilian media superstar of the 1980s and 1990s. As one of the country's most celebrated entertainers, she enjoyed a popularity that at times seemed like idolatry. What were the physical characteristics of Xuxa?
a. Brunette, blue-eyed, and tanned b. Black hair, black- eyed, and dark-skinned c. Brunette, brown-eyed, and fair-skinned d. Blond, blue-eyed, and fair-skinned