| Enjoy_argue_ 20_outdegree | Enjoy_argue_ 20_pagerank | Enjoy_argue_ 20_authority |
Student = 0, instructor = 1 | 0.317 (**) | 0.048 | −0.417 (**) |
| 0.009 | 0.703 | 0.000 |
Birth year | −0.369 (*) | −0.034 | 0.247 |
| 0.013 | 0.825 | 0.101 |
Desire for distinction as a professional | −0.004 | −0.320 (*) | 0.035 |
| 0.980 | 0.039 | 0.827 |