Article | Proceedings of the 4th workshop on NLP for Computer Assisted Language Learning at NODALIDA 2015, Vilnius, 11th May, 2015 | Short answer grading: When sorting helps and when it doesn’t Link�ping University Electronic Press Conference Proceedings
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Title:
Short answer grading: When sorting helps and when it doesn’t
Author:
Ulrike Pado: HFT Stuttgart, Stuttgart, Germany Cornelia Kiefer: HFT Stuttgart, Stuttgart, Germany
Download:
Full text (pdf)
Year:
2015
Conference:
Proceedings of the 4th workshop on NLP for Computer Assisted Language Learning at NODALIDA 2015, Vilnius, 11th May, 2015
Issue:
114
Article no.:
006
Pages:
42-50
No. of pages:
9
Publication type:
Abstract and Fulltext
Published:
2015-05-06
ISBN:
978-91-7519-036-5
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Series:
NEALT Proceedings Series
Publisher:
Linköping University Electronic Press, Linköpings universitet


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Automatic short-answer grading promises improved student feedback at reduced teacher effort both during and after instruction. Automated grading is, however, controversial in high-stakes testing and complex systems can be difficult to set up by non-experts, especially for frequently changing questions. We propose a versatile, domain-independent system that assists manual grading by pre-sorting answers according to their similarity to a reference answer. We show near state-of-the-art performance on the task of automatically grading the answers from CREG (Meurers et al., 2011). To evaluate the grader assistance task, we present CSSAG (Computer Science Short Answers in German), a new corpus of German computer science questions answered by natives and highly-proficient non-natives. On this corpus, we demonstrate the positive influence of answer sorting on the slowest-graded, most complex-to-assess questions.

Keywords: short-answer grading; assisted grading; short-answer corpora

Proceedings of the 4th workshop on NLP for Computer Assisted Language Learning at NODALIDA 2015, Vilnius, 11th May, 2015

Author:
Ulrike Pado, Cornelia Kiefer
Title:
Short answer grading: When sorting helps and when it doesn’t
References:

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Proceedings of the 4th workshop on NLP for Computer Assisted Language Learning at NODALIDA 2015, Vilnius, 11th May, 2015

Author:
Ulrike Pado, Cornelia Kiefer
Title:
Short answer grading: When sorting helps and when it doesn’t
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