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RecurTutor: An Interactive Tutorial for Learning Recursion

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Title: RecurTutor: An Interactive Tutorial for Learning Recursion
Language: English
Authors: Hamouda, Sally, Edwards, Stephen H., Elmongui, Hicham G., Ernst, Jeremy V., Shaffer, Clifford A.
Source: ACM Transactions on Computing Education. Jan 2019 19(1).
Availability: Association for Computing Machinery. 2 Penn Plaza Suite 701, New York, NY 10121. Tel: 800-342-6626; Tel: 212-626-0500; Fax: 212-944-1318; e-mail: acmhelp@acm.org; Web site: http://toce.acm.org/
Peer Reviewed: Y
Page Count: 24
Publication Date: 2019
Contract Number: DUE1139861
IIS1258571
DUE1432008
Document Type: Journal Articles
Reports - Research
Education Level: Higher Education
Postsecondary Education
Descriptors: Computer Science Education, Programming, Instructional Effectiveness, Difficulty Level, Misconceptions, Self Efficacy, College Students, Performance Factors, Drills (Practice), Open Educational Resources, Textbook Content, Programmed Tutoring
Geographic Terms: Virginia
DOI: 10.1145/3218328
ISSN: 1946-6226
Abstract: Recursion is one of the most important and hardest topics in lower division computer science courses. As it is an advanced programming skill, the best way to learn it is through targeted practice exercises. But the best practice problems are time consuming to manually grade by an instructor. As a consequence, students historically have completed only a small number of recursion programming exercises as part of their coursework. We present a new way for teaching such programming skills. Students view examples and visualizations, then practice a wide variety of automatically assessed, small-scale programming exercises that address the sub-skills required to learn recursion. The basic recursion tutorial (RecurTutor) teaches material typically encountered in CS2 courses. Students who used RecurTutor had significantly better grades on recursion exam questions than did students who used typical instruction. Students who experienced RecurTutor spent significantly more time on solving recursive programming exercises than students who experienced typical instruction, and came out with a significantly higher confidence level.
Abstractor: As Provided
Entry Date: 2020
Accession Number: EJ1252356
Database: ERIC
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  Data: Recursion is one of the most important and hardest topics in lower division computer science courses. As it is an advanced programming skill, the best way to learn it is through targeted practice exercises. But the best practice problems are time consuming to manually grade by an instructor. As a consequence, students historically have completed only a small number of recursion programming exercises as part of their coursework. We present a new way for teaching such programming skills. Students view examples and visualizations, then practice a wide variety of automatically assessed, small-scale programming exercises that address the sub-skills required to learn recursion. The basic recursion tutorial (RecurTutor) teaches material typically encountered in CS2 courses. Students who used RecurTutor had significantly better grades on recursion exam questions than did students who used typical instruction. Students who experienced RecurTutor spent significantly more time on solving recursive programming exercises than students who experienced typical instruction, and came out with a significantly higher confidence level.
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