Table 4 correlation between tutor centrality measures and performance measures
| Â | Grade | Difference in grade | Fraction of improved students | |||
|---|---|---|---|---|---|---|
r | p | r | p | r | p | |
InDegree | −0.060 | 0.669 | −0.057 | 0.680 | −0.171 | 0.216 |
Outdegree | −0.125 | 0.368 | −0.203 | 0.141 | −0.29 | 0.034 |
Closeness in | 0.444 | 0.001 | 0.47 | 0.000 | 0.191 | 0.166 |
Closeness out | 0.229 | 0.096 | 0.215 | 0.119 | 0.182 | 0.188 |
Betweenness | −0.451 | 0.001 | −0.41 | 0.002 | −0.264 | 0.054 |
Hubness score | −0.648 | 0.000 | −0.598 | 0.000 | −0.444 | 0.001 |