Probit regression result
| Variables | Model 1 | Model 2 | Model 3 | Model 4 | Model 5 | Model 6 | Model 7 |
|---|---|---|---|---|---|---|---|
| Control variables | |||||||
| Idea sentiment | 7.7e-03** | 7.87e-03** | 7.67 e-03** | 6.01e-03** | 5.54e-03 | ||
| Idea scope | −4.96e-01* | −5.79e-01* | −6.1e-01* | −6.77e-01* | −7.93e-01** | ||
| Idea length | −4.40e -03 | −4.76e -03 | −5.5e-03 | −5.75e-03* | −5.73e-03 | ||
| Comment providers | 5.26e-02 | 1.76e-02 | 1.87e-02 | 1.12e-02 | 2.01e-02 | ||
| Comment timeliness | 1.85e-08* | 1.73e-08* | 1.55e-08 | 2.15e-08** | 2.12e-08* | ||
| Comment diversity | 1.18e-00 | 1.31e-00 | 1.10e-00 | 1.67e-0 | 1.67e-00 | ||
| Comment sentiment | 5.92e-03** | 6.40e-03 | 6.6e-03 | 7.11e-03 | 6.90e-03 | ||
| Comment amount | 5.05e-02 | 4.23e-02 | 9.5e-02* | −4.78e-02 | −6.37e-03 | ||
| Moderator | |||||||
| Author response | 1.51e-01* | 1.44e-03 | 1.57e-01 | 2.0e-01* | |||
| Independent variable | |||||||
| PRK | −4.3e-03 | −1.67e-1 | −2.75e-01* | −3.2e-01** | |||
| SRK | 0.27*** | 3.67e-01*** | 4.05e-01*** | ||||
| Moderation effects | |||||||
| PRK: Author response | 2.02e-01* | ||||||
| SRK: Author response | −1.74e-01* | ||||||
| Constant | −6.8e-01*** | −1.1*** | −1.5*** | −6.8e-01*** | −6.9e-01*** | −7.2e-01*** | −7.3e-01*** |
| AIC | 235.95 | 230.22 | 230.22 | 235.62 | 235.95 | 223.07 | 223 |
| Number of observations | 204 | 204 | 204 | 204 | 204 | 204 | 204 |
| Nagelkerke R2 | 0.12 | 1.9e−05 | 0.07 | 0.137 | 0.15 | 0.24 | 0.27 |
| Variables | Model 1 | Model 2 | Model 3 | Model 4 | Model 5 | Model 6 | Model 7 |
|---|---|---|---|---|---|---|---|
| Idea sentiment | 7.7e-03 | 7.87e-03 | 7.67 e-03 | 6.01e-03 | 5.54e-03 | ||
| Idea scope | −4.96e-01 | −5.79e-01 | −6.1e-01 | −6.77e-01 | −7.93e-01 | ||
| Idea length | −4.40e -03 | −4.76e -03 | −5.5e-03 | −5.75e-03 | −5.73e-03 | ||
| Comment providers | 5.26e-02 | 1.76e-02 | 1.87e-02 | 1.12e-02 | 2.01e-02 | ||
| Comment timeliness | 1.85e-08 | 1.73e-08 | 1.55e-08 | 2.15e-08 | 2.12e-08 | ||
| Comment diversity | 1.18e-00 | 1.31e-00 | 1.10e-00 | 1.67e-0 | 1.67e-00 | ||
| Comment sentiment | 5.92e-03 | 6.40e-03 | 6.6e-03 | 7.11e-03 | 6.90e-03 | ||
| Comment amount | 5.05e-02 | 4.23e-02 | 9.5e-02 | −4.78e-02 | −6.37e-03 | ||
| Author response | 1.51e-01 | 1.44e-03 | 1.57e-01 | 2.0e-01 | |||
| PRK | −4.3e-03 | −1.67e-1 | −2.75e-01 | −3.2e-01 | |||
| SRK | 0.27 | 3.67e-01 | 4.05e-01 | ||||
| PRK: Author response | 2.02e-01 | ||||||
| SRK: Author response | −1.74e-01 | ||||||
| Constant | −6.8e-01 | −1.1 | −1.5 | −6.8e-01 | −6.9e-01 | −7.2e-01 | −7.3e-01 |
| AIC | 235.95 | 230.22 | 230.22 | 235.62 | 235.95 | 223.07 | 223 |
| Number of observations | 204 | 204 | 204 | 204 | 204 | 204 | 204 |
| Nagelkerke R2 | 0.12 | 1.9e−05 | 0.07 | 0.137 | 0.15 | 0.24 | 0.27 |
Notes: a: Standard errors in parentheses;
p <0.1;
p < 0.05;
p < 0.01
b:PRK = Problem-related knowledge sharing, SRK = Solution-related knowledge sharing, AIC = Akaike information criterion