e-ISSN: 1309-517X
Home-Grown Automated Essay Scoring in the Literature Classroom: A Solution for Managing the Crowd?

Kutay Uzun 1 *

CONT ED TECHNOLOGY, Volume 9, Issue 4, pp. 423-436

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Managing crowded classes in terms of classroom assessment is a difficult task due to the amount of time which needs to be devoted to providing feedback to student products. In this respect, the present study aimed to develop an automated essay scoring environment as a potential means to overcome this problem. Secondarily, the study aimed to test if automatically-given scores would correlate with the scores given by a human rater. A quantitative research design employing a machine learning approach was preferred to meet the aims of the study. The data set to be used for machine learning consisted of 160 scored literary analysis essays written in an English Literature course, each essay analyzing a theme in a given literary work. To train the automated scoring model, LightSide software was used. First, textual features were extracted and filtered. Then, Logistic Regression, SMO, SVO, Logistic Tree and Naïve Bayes text classification algorithms were tested by using 10-Fold Cross-Validation to reach the most accurate model. To see if the scores given by the computer correlated with the scores given by the human rater, Spearman’s Rank Order Correlation Coefficient was calculated. The results showed that none of the algorithms were sufficiently accurate in terms of the scores of the essays within the data set. It was also seen that the scores given by the computer were not significantly correlated with the scores given by the human rater. The findings implied that the size of the data collected in an authentic classroom environment was too small for classification algorithms in terms of automated essay scoring for classroom assessment. 



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