Education and demonstration – Question or problem eliciting response – Electrical means for recording examinee's response
Patent
1991-12-13
1993-11-09
Apley, Richard J.
Education and demonstration
Question or problem eliciting response
Electrical means for recording examinee's response
434323, 434327, 434353, 364191, 36441908, G09B 700
Patent
active
052597660
ABSTRACT:
Disclosed is a method and system for administering to a student a problem in computer science for testing, analysis and feedback. The student is provided with an item pool of predetermined test problems to be selected by the student. The student inputs a solution in response to the problem selected, and the solution program is converted, by lexing and parsing, into an abstract syntax tree representation. Predetermined knowledge base patterns are selected from a knowledge base and compared against portions of the abstract syntax tree. Messages and a score are provided to the student which indicate the correctness or incorrectness of the solution program, as determined by the knowledge base patterns which were matched against the portions of the abstract syntax tree. The present method and system is especially qualified to analyze free-response test items.
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Henry I. Braun et al., Scoring Constructed Responses Using Expert System, Journal of Education Measurement, Summer 1990, vol. 27, No. 2, pp. 93-108.
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W. L. Johnson, Intention-Based Diagnosis of Novice Programming Errors (Morgan Kaufmann Publisher, Inc., Los Altos, Calif. 1986).
Bennett Randy E.
Sack Warren
Apley Richard J.
Cheng Joe
Educational Testing Service
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