During the course of the nineteenth century-that is, from the early 1800s to the late 1800s-the rate of narcotic addiction in the United States:
A. decreased.
B. increased.
C. remained the same.
D. fluctuated wildly and erratically from year to year.
E. could not be estimated.
Answer: B
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Regarding widowhood and social supports,:
A) more than 20 percent report that they don't have strong social supports . B) women are more likely than men to use social supports for coping. C) friendships made during the marital relationship are important sources of support during widowhood. D) Latina and Asian American widows are less likely to have active support systems than whites.
Cyberbullying is a formidable threat among teens, and can lead to all of the following except
a. stomach aches. b. high self esteem. c. headaches. d. academic failure. e. suicide or homicide.
Addams's influence on American social policy was significant, in that it
A) recognized the need for social change within society B) removed barriers to upward mobility and optimal functioning C) represented a shift away from the fatalistic and metaphysical philosophies of social Darwinism D) all of the above
Answer the following statement(s) true (T) or false (F)
1. Reactivity is a threat to internal validity. 2. A time series before-and-after quasi-experimental design makes multiple observations in both pretest and posttest periods. 3. When comparison groups are assigned prior to treatment, it is called an ex post facto control group design. 4. Selection bias is a threat to internal validity. 5. The threat to internal validity of selection bias is reduced by randomization.