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Evidence of student ideas in the validation of middle school forces and motion assessment items: Using interviews to confirm student idea use.

机译：验证中学力量和运动评估项目中学生想法的证据：使用访谈来确认学生想法的使用。

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摘要

This study explored the extent to which seven paper and pencil assessment items judged by experts to be aligned with forces and motion ideas actually measure those concepts for middle school students. To accomplish this, the study compared students' individual responses under paper and pencil and interview conditions while considering an elaborated model of a target science idea assessed by the items. The study sought to confirm the inferences provided by a written science assessment instrument by comparing them to alternative inferences based on student interview data.;Participants in the study were a diverse sample of 14 middle school students. Each student completed the written assessment instrument and then participated in an interview designed to confirm student idea use. All interview transcripts were coded for idea use and the results from coded data were then compared to students' performance on the written posttest. The study concludes that in most cases, the two sets of assessment evidence were in agreement and that the items provide valid inferences about students' actual understanding of the target ideas. The study also concludes that on a few occasions the written posttest overestimated students' performances when compared to data collected during the interviews. The study presents additional student ideas regarding forces and motion that have been previously undocumented in the literature. Conclusions and implications are discussed.
机译：这项研究探索了专家判断与笔势和运动观念相一致的七个纸笔评估项目实际上测量了中学生的那些观念的程度。为此，该研究比较了学生在纸，笔和面试条件下的个人反应，同时考虑了由项目评估的目标科学思想的详尽模型。该研究试图通过将书面科学评估工具与其他基于学生访谈数据的推论进行比较来确认推论。研究的参与者是来自14名中学生的各种样本。每个学生完成书面评估工具，然后参加旨在确认学生想法使用的访谈。所有面试成绩单都经过编码以供想法使用，然后将编码数据的结果与学生在书面后测中的表现进行比较。研究得出的结论是，在大多数情况下，两组评估证据是一致的，并且这些项目为学生对目标思想的实际理解提供了有效的推论。该研究还得出结论，与面试中收集的数据相比，书面笔测在某些情况下高估了学生的表现。这项研究为学生提供了有关力和运动的其他想法，这些想法以前在文献中没有记载。结论和含义进行了讨论。

著录项

  • 作者

    Ochsendorf, Robert J.;

  • 作者单位

    The George Washington University.;

  • 授予单位 The George Washington University.;
  • 学科 Education Tests and Measurements.;Education Sciences.;Education Secondary.
  • 学位 Ed.D.
  • 年度 2009
  • 页码 233 p.
  • 总页数 233
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 教育;中等教育;自然科学教育与普及;
  • 关键词

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