(1) Shyness is a psychological state that causes a person to feel discomfort in social situations in ways that interfere with en

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问题    (1) Shyness is a psychological state that causes a person to feel discomfort in social situations in ways that interfere with enjoyment or that cause avoidance of social contacts altogether. It can vary from mild feelings to moderately uncomfortable in social circumstances to debilitating levels of anxiety that interfere in children with the process of socialization. Shyness is a personality trait that affects a child’s temperament. Some infants are born shy and more sensitive. Some of them are quiet when new people enter a room. A shy baby might sink his head into his mother’s shoulder, while a baby who is outgoing might smile or squeal with delight when someone new visits. Some children may feel shy in certain situations, like when meeting new people. Other children may learn to be shy because of experiences in school or at home. As of 2004, research tended to distinguish shyness from introversion. Introverts simply prefer solitary to social activities but do not fear social encounters as shy people do.
   (2) Evidence suggests a genetic component to shyness. Studies on the biological basis of shyness have shown that shyness in adults can often be traced as far back as the age of three. A Harvard study of two-year olds showed that, even at that age, widely different personality types can be recognized: roughly 25 percent of children are bold, sociable, and spontaneous regardless of the novelty of the situation, while 20 percent are shy and restrained in new situations. The remaining 55 percent of newborns fall between the extremes of shyness and boldness. These two basic temperaments were also recognized in studies examining infants as young as four months old. As children grow, their shy temperament tends to display itself in predictable ways: for example, in play groups at age seven, shy children play by themselves, while more outgoing children seek to play together in groups. Evidence of a genetic predisposition for shyness is found in parents and grandparents of shy infants who report childhood shyness more often than relatives of children who are not shy. Further evidence for a congenital link to shyness is found in studies that show that identical twins (who have identical genes) are more likely to be shy than fraternal twins (who are no more alike than other siblings).
   (3) Research shows, however, that 25 percent of the time genetic predisposition to shyness does not develop into shyness. Some researchers believe that a shy temperament may require environmental triggers, such as insecurity of attachment in the form of difficult relationships with parents, family conflict or chaos, frequent criticism, a dominating older sibling, or a stressful school environment.
   (4) Research has also identified a strong cultural link to shyness. In the United States, shyness surveys typically show that shyness is highest among Asian Americans and lowest among Jewish Americans. Using culturally sensitive adaptations of the Stanford Shyness Inventory, researchers in eight countries administered the inventory to groups of 18 to 21 year olds. Results showed that a large proportion of participants in all cultures reported experiencing shyness to a considerable degree—from 31 percent in Israel to 57 percent in Japan. In Mexico, Germany, India, and Canada, shyness levels were close to the U.S. figure of 40 percent. In all countries, shyness is perceived as more negative than positive, with 60 percent or more considering shyness to be a problem. There is no gender difference in reported shyness, but males tend to conceal their shyness because it is considered a feminine trait in most countries. For example, in Mexico, males report shyness less often than females do.
   (5) When shyness is intense, it can often lead to social anxiety disorder or to avoidant personality disorder, both characterized by the avoidance of interpersonal contacts accompanied by significant fears of embarrassment in social interaction. According to the most recent statistics, provided by the National Comorbidity Survey—carried out in 1994—approximately 40 percent of Americans consistently report since the early 1970s that they are shy to the extent of considering it a problem in their lives. Subsequent research showed that the percentage of problem-related shyness gradually increased during the 1990s to nearly 50 percent. The National Co-morbidity Survey results were also indicative of a lifetime prevalence of social anxiety of 13.3 percent, making it the third most prevalent psychiatric disorder in the United States.
The following factors contribute to shyness EXCEPT______.

选项 A、heredity
B、environment
C、culture
D、lifestyle

答案D

解析 本题考查产生害羞的根源。前面三个选项在文章中都有提及,而选项D在文章中并未提及。
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