Differences in early gesture explain SES disparities in child vocabulary size at school entry.

Differences in early gesture explain SES disparities in child vocabulary size at school entry.
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早期手势的差异解释了学校入学时儿童词汇量的SES差异。

DOI:
10.1126/science.1167025
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发表时间:
2009-02-13
期刊:
Science (New York, N.Y.)
影响因子:
--
通讯作者:
Goldin-Meadow S
Goldin-Meadow S
中科院分区:
其他
文献类型:
--
作者:
Rowe ML;Goldin-Meadow S

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平均而言,来自低社会经济地位家庭的孩子上学时的词汇量比来自高社会经济地位家庭的孩子要小。为了确定这种不平等的前兆和可能的补救措施,我们拍摄了50名来自SES家庭的儿童在14个月时与父母互动,并在54个月时评估了他们的词汇技能。我们发现,来自高SES家庭的儿童在14个月时经常使用手势进行沟通,这种关系可以通过父母的手势使用(语音控制)来解释。反过来,事实上,从高SES家庭的儿童有大词汇量在54个月的解释,儿童的手势使用在14个月。因此,早期手势的差异有助于解释孩子们带到学校的词汇差异。
Children from low SES families, on average, arrive at school with smaller vocabularies than children from high SES families. In an effort to identify precursors to, and possible remedies for, this inequality, we videotaped 50 children from families ranging in SES interacting with parents at 14 months, and assessed their vocabulary skills at 54 months. We found that children from high SES families frequently used gesture to communicate at 14 months, a relation that was explained by parent gesture use (with speech controlled). In turn, the fact that children from high SES families have large vocabularies at 54 months was explained by children’s gesture use at 14 months. Differences in early gesture thus help explain the disparities in vocabulary children bring with them to school.
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