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Using Dr. Scratch as a Formative Feedback Tool to Assess Computational Thinking

Scratch is one of the most popular ways to teach younger children to code in K–8 throughout the U.S. and Europe. Despite its popularity, Scratch lacks a formative feedback tool to inform students and teachers of a student's progress in coding ability. Dr. Scratch was built to fill this need. This study seeks to answer if using Dr. Scratch as a formative feedback tool accelerates the students' progress in coding ability and Computational Thinking (CT). Forty-one 4th-6th grade students participated in a 1-hour/week Scratch workshop for nine weeks. We measured pre- and posttest results of the Computational Thinking Test (CTt) between control (n = 18) and treatment groups (n = 23) using three methods: propensity score matching (treatment = .575; control = .607; p = .696), information maximum likelihood technique (treatment effect = -.09; p = .006), and multiple linear regression. Both groups demonstrated significant increased posttest scores over their pretest (treatment = +8.31%; control = +5.43%), though which group improved the most varied depending on which test was run. We discuss the implications of using Dr. Scratch as a formative feedback tool and recommend further research on the use of such tools in elementary coding experiences.

Identiferoai:union.ndltd.org:BGMYU2/oai:scholarsarchive.byu.edu:etd-7663
Date01 December 2017
CreatorsBrowning, Samuel Frank
PublisherBYU ScholarsArchive
Source SetsBrigham Young University
Detected LanguageEnglish
Typetext
Formatapplication/pdf
SourceTheses and Dissertations
Rightshttp://lib.byu.edu/about/copyright/

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