Research has found that early onset Alzheimer's disease is probably a result of a ______ gene, while later onset disease tends to be ______
dominant; polygenic
recessive; polygenic
recessive; multifactorial
dominant; multifactorial
dominant; multifactorial
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Karen and Rob are talking to a mutual friend who suddenly breaks down and asks if one of them can stay and talk about an important problem. Who is probably more likely to help?
a. Karen is more likely to help. b. Rob is more likely to help. c. Both are equally likely to help. d. Whether Karen or Rob is more likely to help depends on the gender of the friend.
In a well-known study using archival data, researchers Hovland and Sears found that—in the southern U.S., between 1882 and 1930—there was a statistically significant correlation between the market price of cotton and the frequency of interracial lynching incidents. This study has typically been interpreted as supporting ____
a. the contact hypothesis b. realistic conflict theory c. social dominance theory d. scapegoat theory
Which of the following statements regarding sexual orientation is FALSE?
A) Research with young homosexual and bisexual men indicates that, on average, the men experienced their first same-sex attraction at age ten. B) Differences between homosexual and heterosexual individuals are not apparent during childhood. C) Girls exposed to higher than normal levels of androgens during prenatal development show more masculine traits and behaviors. D) It is estimated that between two and ten percent of adults in the United States identify themselves as gay, lesbian, or bisexual.
The changes in conceptual development that occur during the early adolescent period can result in
A. a more flexible, critical, and abstract view of the world. B. fewer creative ideas. C. greater belief in one's own ideas and relatively little understanding of others' ideas. D. a less flexible, critical, and longitudinal view of the world.