Even after controlling for race, family background and IQ, children of single mothers do worse in school than children of married parents, says Ms Hymowitz.
Hymowitz女士认为，即使种族、家庭背景及智商等因素完全一样，单身妈妈的孩子在学校的成绩也不如已婚双亲家庭的孩子。
Even after controlling for race, family background and IQ, children of single mothers do worse in school than children of married parents, says Ms Hymowitz.
Hymowitz女士认为，即使种族、家庭背景及智商等因素完全一样，单身妈妈的孩子在学校的成绩也不如已婚双亲家庭的孩子。
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