Hypothesis testing results
| Hypothesis | Result |
|---|---|
| H1: The degree of review sidedness is negatively associated with online review helpfulness | Supported |
| H2: Reviewer reputation positively moderates the effect of review sidedness on online review helpfulness | Supported |
| H3: Information factuality is positively associated with online review helpfulness | Supported |
| H4a: The interaction effect of positive sentiment and information factuality positively influences online review helpfulness | Supported |
| H4b: The interaction effect of negative sentiment and information factuality positively influences online review helpfulness | Not supported |
| H5: The emotional intensity at the beginning of a review is negatively associated with online review helpfulness | Supported |
| Hypothesis | Result |
|---|---|
| Supported | |
| Supported | |
| Supported | |
| Supported | |
| Not supported | |
| Supported |
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