NDLI: Toward practical mutation analysis for evaluating the quality of student-written software tests

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Automatically assessing the quality of student-written tests

Toward practical mutation analysis for evaluating the quality of student-written software tests

Content Provider	ACM Digital Library
Author	Edwards, Stephen H. Shams, Zalia
Abstract	Software testing is being added to programming courses at many schools, but current assessment techniques for evaluating student-written tests are imperfect. Code coverage measures are typically used in practice, but they have limitations and sometimes overestimate the true quality of tests. Others have proposed using mutation analysis instead, but mutation analysis poses a number of practical obstacles to classroom use. This paper describes a new approach to mutation analysis of student-written tests that is more practical for educational use, especially in an automated grading context. This approach combines several techniques to produce a novel solution that addresses the shortcomings raised by more traditional mutation analysis. An evaluation of this approach in the context of both CS1 and CS2 courses illustrates how it differs from code coverage analysis. At the same time, however, the evaluation results also raise questions of concern for CS educators regarding the relative value of more comprehensive assessment of test quality, the value of more open-ended assignments that offer significant design freedom for students, the cost of providing higher-quality reference solutions in order to support better quality assessment, and the cost of supporting assignments that require more intensive testing, such as GUI assignments.
Starting Page	53
Ending Page	58
Page Count	6
File Format	PDF
ISBN	9781450322430
DOI	10.1145/2493394.2493402
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2013-08-12
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Software testing Bytecode transformation Programming assignments Test-driven development Automated grading Automated assessment Test coverage Reflection Mutation testing
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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