Evaluating the predictive validity of the computerized comprehension task: comprehension predicts production.

Evaluating the predictive validity of the computerized comprehension task: comprehension predicts production.
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DOI:
10.1037/a0025511
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发表时间:
2012-01
影响因子:
4
通讯作者:
Simpson AM
Simpson AM
中科院分区:
心理学2区
文献类型:
--
作者:
Friend M;Schmitt SA;Simpson AM

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直到最近,测量理解力所固有的挑战阻碍了我们预测语言习得过程的能力。本研究报告了对 CDI:言语和手势以及计算机理解任务 (CCT) 的聚合和预测有效性的纵向评估。 CDI: WG 和 CCT 表现出良好的收敛效度,但 CCT 更好地预测了随后的语言产生的家长报告。第三年的语言样本数据证实了这一发现:CCT 占独特词使用差异的 24%。这些研究为基于行为的方法预测语言习得到生产过程的效用提供了证据。
Until recently, the challenges inherent in measuring comprehension have impeded our ability to predict the course of language acquisition. The present research reports on a longitudinal assessment of the convergent and predictive validity of the CDI: Words and Gestures and the Computerized Comprehension Task (CCT). The CDI: WG and the CCT evinced good convergent validity however the CCT better predicted subsequent parent reports of language production. Language sample data in the third year confirm this finding: the CCT accounted for 24% of the variance in unique word use. These studies provide evidence for the utility of a behavior-based approach to predicting the course of language acquisition into production.
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