Title: Word Association Profiles and their Use for Automated Scoring of Essays
Abstract: We describe a new representation of the content vocabulary of a text we call word association profile that captures the proportions of highly associated, mildly associated, unassociated, and dis-associated pairs of words that co-exist in the given text. We illustrate the shape of the distirbution and observe variation with genre and target audience. We present a study of the relationship between quality of writing and word association profiles. For a set of essays written by college graduates on a number of general topics, we show that the higher scoring essays tend to have higher percentages of both highly associated and dis-associated pairs, and lower percentages of mildly associated pairs of words. Finally, we use word association profiles to improve a system for automated scoring of essays.
Publication Year: 2013
Publication Date: 2013-08-01
Language: en
Type: article
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Cited By Count: 30
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