新編大學(xué)英語第二冊(cè)u(píng)nit6 Text C: Talkative Parents Make Kids Smarter
UNIT 6 AFTER-CLASS READING 2; New College English (II)
Talkative Parents Make Kids Smarter
1 An exhaustive study of how "typical" parents talk with their children during the first few years of their life has yielded a mountain of valuable data and some initial findings with serious social implications.
2 There are striking class differences in the nature and extent of parental interaction with children between the age of 9 months and 3 years. This results in a considerable intellectual boost for kids in white-collar families, a modest lift for those in blue-collar households, and a disturbingly weak assist for children in welfare families. Young children whose parents talk extensively to them score much higher on later IQ tests than those exposed to minimal amounts of parental talk, assert study codirectors Betty Hart of the University of Kansas and Todd Risley of the University of Alaska.
3 "The more parents talk with their young children, the more good things happen intellectually to those kids later on," Risley contends. "But the massive class differences in this parental behavior surprised us and suggest that children in welfare families face problems that cannot be reversed by a few hours of Head Start classes every week."
4 Hart and Risley presented their findings, based on observations of forty-two families in their homes located in the Kansas City area, at the annual meeting of the American Psychological Association in Toronto last week.
5 The study has intensified an already intense debate over the relative influence of genes and environment on IQ and intellectual potential, both in individuals and racial groups. The 2.5-year investigation, followed by 3 years during which researchers analyzed a mountain of written and tape-recorded observations, adds a new dimension to the nurture side of the controversy.
7 Families in Hart and Risley's study functioned well and exhibited no serious problems, such as child abuse or psychiatric illness. Thirteen professional families included at least one parent who worked in a white-collar occupation; in twenty-three working-class families, jobs included electrician and plumber; six families subsisted mainly on welfare. The families represented a range of racial and ethnic groups; eight were single-parent families. The families ranged in size from a single child to seven children.
8 Trained observers spent 1 hour every 2 months tape-recording and writing down the nature of all at-home interactions with a designated child in each family beginning at 9 months of age. Observers focused only on that child and whoever talked or interacted with him or her. They never offered advice to parents, even when asked.
9 The parent or parents in each family displayed a characteristic level of talk with their young children, month after month, Risley asserts. Overall, parents in professional families proved most talkative; they made nearly twice as many statements per hour to their kids as working-class parents did and about four times as many as welfare parents did.
10 Parents in all the families devoted approximately equal effort to controlling children and keeping them out of trouble and danger. But those parents who talked to children the most added critical elements to those interactions, such as reinforcing the child's efforts, responding to questions, providing guidance, and using a diverse vocabulary.
11 Children exposed to high levels of talk from their parents performed markedly better on a measure of intellectual development at age 3, even with socioeconomic and other influences taken into consideration. Follow-up at age 9 found that those children had maintained their IQ advantage.
12 Although genes affect intellectual ability, the new data indicate that the ways in which parents talk to their children and communicate expectations about learning also have a very significant influence, holds psychologist Frances D. Horowitz of the City University of New York.
13 "This remarkable report represents a significant step toward a better understanding of normal child development," Horowitz argues.
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