Title Page
Contents
Summary 7
I. Introduction 9
II. Literature Review 12
A. Consumer Generated Content Using Text Analysis 12
B. Expressiveness of Product Review 15
III. Research Framework 17
IV. Data and Methodology 21
A. Data 21
B. Study 1 27
C. Study 2 28
V. Results 30
A. Study 1 30
B. Study 2 36
VI. Conclusion 40
Rerference 43
국문초록 51
Table 1. Frequent Term Analysis of Product Review 24
Table 2. Descriptive and Correlation of Study 1 32
Table 3. The Effect of Star Rating on Review Length 33
Table 4. The Effect of Star Rating on the Number of Features Mentioned 35
Table 5. Descriptive and Correlation of Study 2 38
Table 6. The Effect of Review Expressiveness on Helpfulness 38
Figure 1. Distribution of Product Star Rating 22
Figure 2. Review Length on Star Rating 34
Figure 3. The Number of Features Mentioned on Star Rating 36
Figure 4. The Effect of Review on Helpfulness 39
Figure 5. The Effect of Number of Features Mentioned on Helpfulness 39