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  3. Kids whose moms were employed outside the home, a new study found, were more likely to have been hospitalized, had an asthma(哮喘)

Kids whose moms were employed outside the home, a new study found, were more likely to have been hospitalized, had an asthma(哮喘)

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问题     Kids whose moms were employed outside the home, a new study found, were more likely to have been hospitalized, had an asthma(哮喘)attack or an injury or ingested something poisonous in the last year than kids whose moms weren’t working. Not just a little more likely -twice as likely.
    The findings, soon to be published in the Journal of Health Economics, contradict other research that has found the opposite: that working moms have healthier kids(Which contradicts other research, and so on...). The discrepancy is due to the way the researcher Melinda Sandler Morrill, an assistant professor of economics at North Carolina State University, sliced and diced the available data.
    Morrill looked at the health only of kids aged 7 to 17 who had a younger sibling of about kindergarten age, so that their moms were likely to be right on the cusp(尖点)of changing their working status. She also used other difficult-to-explain statistical techniques to try to make sure that the results she was seeing were due only to the fact that the mom was working, rather than anything else. If the same mother had not been working, what would the kids’ health have looked like?
    For example, she wanted to make sure that the mothers weren’t staying home because their children were frail, which would not skew(影响)the results. Also she wanted to make sure that the figures weren’t comparing a mother who was not good at multitasking with a mother who was.
    While the headline-friendly finding could produce handwringing among working moms and a quiet smile among those whose primary job is mothering, that’s not the intended result. "I’m not trying to make a statement," says Morrill. Rather, she’s striving for a more accurate picture than the current analyses can supply. "The study provides one more piece of evidence about what happens to children when mothers work."
    It doesn’t seem all that surprising that school-kids whose mothers work suffer more health incidents of the kinds she suggests. Injuries, poisonings, asthma attacks would logically seem more likely to happen to children who are not being minutely supervised than to those who are.
    Morrill, who declined to say whether she had kids, acknowledges that this is a possible explanation. But she was quick to add that she couldn’t say where the kids in the study were when the incidents happened—with parents, grandparents or a nanny or at day care. And the study had no information about the long-term well-being of kids with moms in paid employment.
What did Morrill strive to do through her research?
选项 A、She chose a large variety of children to research.
B、She used advanced techniques to process the statistics.
C、She compared mothers who were not good at multitasking with those who were.
D、She provided more evidence about what happens to children with working moms.
答案D
解析 细节辨认题。第五段提到，Morrill努力想比现有的研究做得更准确，从而为研究母亲工作的时候其孩子的健康状况又多提供了一条证据，因此答案为D)。
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