Assessing computational thinking through the lenses of functionality and computational fluency

Assessing computational thinking through the lenses of functionality and computational fluency
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从功能性和计算流畅性的角度评估计算思维

DOI:
10.1080/08993408.2020.1866932
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发表时间:
2021
影响因子:
2.7
通讯作者:
Dede, Chris
Dede, Chris
中科院分区:
--
文献类型:
--
作者:
Metcalf, Shari J.;Reilly, Joseph M.;Jeon, Soobin;Wang, Annie;Pyers, Allyson;Brennan, Karen;Dede, Chris

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背景和背景本研究着眼于计算思维(CT)评估的编程工件的背景下,CT与科学教育相结合,通过计算建模。目的是探索方法,通过两个镜头评估学生构建的计算模型:功能性和概念流畅性。方法本研究使用EcoMOD研究的数据,三年级的生态系统科学课程,学生对海狸建造大坝的计算模型进行编程。随着时间的推移收集的47个学生对程序的快照assessed.FindingsA功能为基础的标题提供了评估学生的任务进展,但不太成功,在正确识别CT收益的程序是部分正确的。一个标题为概念流畅性确定的发展流畅性CT概念的排序,循环,和conditionals.ImplicationsThis研究有助于文献探索启示不同的标题为基础的CT评估的学生计划。
Background and ContextThis study looks at computational thinking (CT) assessment of programming artifacts within the context of CT integrated with science education through computational modeling.ObjectiveThe goal is to explore methodologies for assessment of student-constructed computational models through two lenses: functionality and conceptual fluency.MethodThis study uses data from research with EcoMOD, a 3rd grade ecosystem science curriculum in which student pairs program computational models of a beaver building a dam. Snapshots of programs for 47 student pairs collected over time are assessed.FindingsA functionality-based rubric provided assessment of student task progress, but was less successful at correctly identifying CT gains in programs that were partially correct. A rubric for conceptual fluency identified development of fluency in CT concepts of sequencing, loops, and conditionals.ImplicationsThis study contributes to the literature by exploring affordances of different rubric-based CT assessments of student programs.
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