A correlation analysis between sentimental comment and numerical response in students' feedback
Date
2015
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Resource Type
Article
Publisher
Asian Research Publishing Network
Journal Title
A correlation analysis between sentimental comment and numerical response in students' feedback
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Abstract
This paper aims to study a qualitative measuring of students' comments using sentiment analysis to teacher evaluation and investigate its qualitative analysis. A small dataset of students' feedbacks was collected from the public website and was utilized in the experimental. We performed the lexicon based sentiment analysis to identify sentiment word and determine overall sentiment polarity of students' comment into positive and negative classes based on Opinion Lexicon automatically. A comparison between overall sentiment scores and numerical response scores of teacher evaluation aspects were evaluated and plotted into graphs in order to compare the relationship between each pair of two variables. Especially, we applied the statistical techniques using Pearson's correlation and Spearman's rank to confirm these visual correlation results. The experimental results suggested that there is a significant correlation between overall sentiment scores from its qualitative analysis and numerical response scores of teacher evaluation aspects. Based on this, it might be possible to convert from qualitative to quantitative type of teacher evaluation by performing lexicon based sentiment analysis.
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Citation
ARPN Journal of Engineering and Applied Sciences