Chronic diseases
a. are illnesses that strike suddenly and cause dramatic incapacitation and sometimes death.
b. are illnesses that are long term or lifelong and that develop gradually or are present from birth.
c. have decreased in the U.S.
d. do not affect life expectancy.
Answer: b. are illnesses that are long term or lifelong and that develop gradually or are present from birth.
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In experimental research, who is the "control" group?
They are the researchers who conduct the study. B) They are subjects who are exposed to the independent variable. C) They are subjects not exposed to the independent variable. D) They are subjects who are aware of the experimental manipulation.
In the mate selection process, "going steady" is the same as being engaged
Indicate whether the statement is true or false
What are the two basic types of economic systems that distinguish contemporary industrial societies?
A. democracy and communism B. socialism and democracy C. capitalism and socialism D. capitalism and communism
In postindustrial societies, serial monogamy describes which of the following?
A. marriage to more than one person B. divorce and remarriage C. extramarital affairs D. marriage to only one person