What dietary supplement ingredient has been tested for its ability to improve memory in Alzheimer's disease, but has produced only small and unreliable improvements in published research?
A. Lobelia
B. St. John's wort
C. Androstenedione
D. Ginkgo biloba
Answer: D
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In his study The Saints and the Roughnecks, sociologist William Chambliss concluded that:
a. although both groups engaged in similar behavior, only the Roughnecks – who came from lower-income families – were stigmatized by a deviant label. b. since both groups engaged in similar behavior, their members were equally stigmatized by deviant labels, regardless of their class background. c. the roughnecks were stigmatized by a deviant label because they committed more offenses than the Saints. d. the Saints were stigmatized by a deviant label because they committed more offenses than the Roughnecks.
When testing for the significance of the difference between two samples, which is the proper assumption for step 1?
a. Random sampling b. Ordinal level of measurement c. Degrees of freedom are zero d. Samples are independent as well as random
The grandparenting role supplies all of the following benefits EXCEPT:
a. a sense of being needed and useful. b. physical contact. c. financial independence. d. feelings of biological renewal.
Socioeconomic status is ______.
A. the same as a person's class position B. the relative prestige and lifestyle associated with different positions or groups in society C. not related to race, ethnicity, or gender D. based exclusively on income