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  3. We maintain that in general a focus on positive information benefits well-being. However, there are probably conditions when a c

We maintain that in general a focus on positive information benefits well-being. However, there are probably conditions when a c

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问题     We maintain that in general a focus on positive information benefits well-being. However, there are probably conditions when a chronic tendency to focus on positive material is maladaptive. One such context, we presumed, is decision-making, especially when options include both positive and negative features. When making decisions, negative features of options often have higher diagnostic value. If a person who is deciding whether to renew a health care plan remembers that she likes her physician but forgets that the plan does not pay for the hip surgery she needs, a suboptimal decision could be made.
    Corinna and I designed another study with two primary aims: to see whether in a decision context older people would review positive features of options more than negative features; and if this was the case, to see if we could eliminate the effect by modifying goals with instructions. Using computer-based decision scenarios, 60 older and 60 younger adults were presented with positive, negative, and neutral information about ostensible health care options. Some scenarios presented characteristics of physicians. Others presented features of health care plans. The information was hidden behind colored squares, and participants had to click on the square to see the information. They were told that positive information was behind white squares and negative information was behind black squares. We then observed how often participants examined the positive information versus the negative information. Later we tested their memory for the information. As we predicted, older adults reviewed and recalled a greater proportion of positive information than did younger adults. Most important, participants in one group were repeatedly reminded to "focus on the facts" and in this group the preference for positive information disappeared.
    Human need is the basis for virtually all of science. If we rise to the challenge of an aging population by systematically applying science and technology to questions that improve quality of life in adulthood and old age, longer-lived populations will inspire breakthroughs in the social, physical, and biological sciences that will improve the quality of life at all ages. Longevity science will reveal ways to improve learning from birth to advanced ages and to deter age-related slowing in cognitive processing. Longevity science will draw enormously on insights about individuals ’ genomic predispositions and the environmental conditions that trigger the onset of disease. Longevity science will help us understand how stress slowly but surely affects health. Most of the challenges of longer-lived populations will require interdisciplinary collaborations. Psychological science must be a part of this process.
The author argues that longevity science______.
选项 A、improves the quality of life for both old and young
B、contributes to the improvement of biological functions
C、meets the challenge of longer life in developed nations
D、inspires breakthroughs in various disciplines of sciences
答案A
解析 根据第三段中的“Longevity science will reveal ways to improve learning from birth to advancedages and to deter age-related slowing in cognitive processing”，A应为答案。
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