What percentage of births in the United States are to single moms?
A. 10%
B. 20%
C. 30%
D. 40%
Answer: D
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Which statement best characterizes the relationship between stress and illness? a. Stress increases the number of lymphocytes in the bloodstream, which diminishes the body's ability to fight offdisease
b. Stress increases levels of adrenaline and other hormones that suppress immune cell activity and increasesusceptibility to illness. c. Stress increases the negative attributions that people make, and negative attributions can become self-fulfillingprophecies. d. Under high levels of stress, people tend to sleep too much, which weakens the immune system and makesillness more likely.
Suppose that a group of researchers would like to explore how we perceive objects in the real world, rather than just in a laboratory. This approach emphasizes
a. a well-controlled design. b. the viewer-centered approach. c. holistic recognition. d. ecological validity.
Lucius is a scientist who has developed a new kind of especially effective sunscreen. He wants to persuade dermatologists, who are experts at treating skin conditions, that his sunscreen is worthwhile. He is most likely to succeed if he emphasizes
A. how his sunscreen has been proven effective in clinical trials and why it works better than others based on its formula. B. how not using his sunscreen could lead to scary diseases such as severe sunburn or cancer. C. how his sunscreen is a wonderful product that will make doctors feel good about prescribing it and patients feel good for using it. D. how he is the most credible person to develop such a product because of his training and credentials as a scientist.
Charlie and his best friend, Max, visit each other, watch their favorite college team play football, and confide in each other. Which of the following functions of friendship do Charlie and Max provide for each other?
A) intimacy and companionship B) a link to the larger community C) protection from the psychological consequences of loss D) a shield against negative judgments stemming from stereotypes of aging