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Recommended Citation: Briscoe-Smith, A and N Evangelopoulos.  Case-based Grading: A Conceptual Introduction.  In The Proceedings of the Information Systems Education Conference 2002, v 19 (San Antonio): §224c. ISSN: 1542-7382.

Case-based Grading: A Conceptual Introduction

Allen Briscoe-Smith    [a1] [a2]
Department of Management Information Science
California State University Sacramento    [u1] [u2]
Sacramento, California, USA    [c1] [c2]

Nicholas Evangelopoulos    [a1] [a2]
Department of Business Computer Information Systems
University of North Texas    [u1] [u2]
Denton, Texas, USA    [c1] [c2]

This paper examines how intelligent grading of Web-based examinations can be achieved using a Case-Based framework. Multiple-choice and essay questions are common examination formats widely used by the academic community. A survey of about 2,000 University faculty, conducted in the fall of 2001, revealed that preferences are evenly split between the two formats. In this paper we propose the Multiple-Choice with Free Text justifications (MCFT) format. The goal is, on one hand, to combine the benefits of multiple-choice and essay questions and, on the other hand, to allow for computer-aided grading based on a mechanism similar to Case-Based Reasoning. The specific properties of Case-Based Grading (CBG), namely case representation, retrieval, reuse, revision, and learning, are examined. Finally, a two-phase CBG algorithm is proposed.

Keywords: case-based reasoning, MCFT format, online examinations, partial credit, intelligent exam grading

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