Development of a Lean Computational Thinking Abilities Assessment for Middle Grades Students

Development of a Lean Computational Thinking Abilities Assessment for Middle Grades Students
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中年级学生精益计算思维能力评估的开发

DOI:
10.1145/3287324.3287390
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发表时间:
2019
期刊:
Proceedings of the 50th ACM Technical Symposium on Computer Science Education
影响因子:
--
通讯作者:
Lester, James C.
Lester, James C.
中科院分区:
--
文献类型:
--
作者:
Wiebe, Eric;London, Jennifer;Aksit, Osman;Mott, Bradford W.;Boyer, Kristy Elizabeth;Lester, James C.

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人们认识到中年级是计算机科学教育的关键时刻,这导致了计算机科学课程和整合工作的广泛发展。许多干预措施的目标是培养一系列被称为计算思维(CT)的潜在能力。这一目标对评估学生的学习提出了一个关键挑战:我们必须确定与对 CT 基础关键认知能力的快速理解相关的评估项目,以避免特定编程语言的专业知识。在这项工作中,我们探讨了适合中年级(美国 6-8 年级;11-13 岁)学生使用的评估项目的心理测量特性。我们还调查这些项目是否衡量单一能力维度。最后,我们努力推荐一套“精简”的项目,可以在 50 分钟的课程时间内完成,并且具有较高的表面效度。本文做出以下贡献:1) 补充了与 CT 新兴结构及其与现有 CTt 和 Bebras 仪器的关系相关的文献,2) 提供了一种基于研究的 CT 评估工具,供该领域的研究人员和教育工作者使用。
The recognition of middle grades as a critical juncture in CS education has led to the widespread development of CS curricula and integration efforts. The goal of many of these interventions is to develop a set of underlying abilities that has been termed computational thinking (CT). This goal presents a key challenge for assessing student learning: we must identify assessment items associated with an emergent understanding of key cognitive abilities underlying CT that avoid specialized knowledge of specific programming languages. In this work we explore the psychometric properties of assessment items appropriate for use with middle grades (US grades 6-8; ages 11-13) students. We also investigate whether these items measure a single ability dimension. Finally, we strive to recommend a "lean" set of items that can be completed in a single 50-minute class period and have high face validity. The paper makes the following contributions: 1) adds to the literature related to the emerging construct of CT, and its relationship to the existing CTt and Bebras instruments, and 2) offers a research-based CT assessment instrument for use by both researchers and educators in the field.
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