Object-oriented software construction (2nd ed.)
Object-oriented software construction (2nd ed.)
Java as a teaching language—opportunities, pitfalls and solutions
ACSE '98 Proceedings of the 3rd Australasian conference on Computer science education
Genetic Algorithms in Search, Optimization and Machine Learning
Genetic Algorithms in Search, Optimization and Machine Learning
Programming students NEED instant feedback!
ACE '03 Proceedings of the fifth Australasian conference on Computing education - Volume 20
Proceedings of the fifteenth annual conference on Innovation and technology in computer science education
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Tools for analysing student code offer great potential for enhancing student learning through informing both students and staff. One such tool, the datlab system, has been successfully employed in second year data structures courses and provides facilities for testing students' laboratory work, providing feedback to students, and assigning marks for completed tasks. While the system has proven successful, there is potential for significant improvement in the way that code is analysed and the quality of the feedback that is returned.This paper reports on new work investigating the use of evolutionary computation as a mechanism for generating appropriate test sequences. Our goal is to synthesize test sequences that efficiently uncover logical errors in student code, provide lecturers with models of common student errors, and provide students with more helpful feedback to use in locating errors themselves. We present encouraging preliminary results showing that significant improvements can be achieved using the evolutionary approach, and discuss some of the challenges in extending this approach.