From: The impact of graduate students on research productivity in Korea
Gender | Age | Region | |||||||
---|---|---|---|---|---|---|---|---|---|
Disp | Group | Obs | Avg. | Group | Obs | Avg. | Group | Obs | Avg. |
H | Male | 6,780 | 1.186(0.063) | Senior | 5,409 | 1.211(0.071)) | Non-capital | 4,722 | 0.881(0.062) |
Female | 2,175 | 0.654(0.069) | Junior | 3,546 | 0.822(0.066)) | capital Area | 4,233 | 1.253(0.082) | |
combined | 8,955 | 1.057(0.050) | combined | 8,955 | 1.057(0.050) | combined | 8,955 | 1.057(0.050) | |
diff | 0.532(0.118) | diff | 0.389(0.103) | diff | −0.372(0.101) | ||||
t-value | 4.5275** | t-value | 3.7735* | t-value | −3.6778** | ||||
SS | Male | 10,683 | 1.937(0.059) | Senior | 7,649 | 2.015(0.075) | Non-capital | 7,108 | 1.665(0.067) |
Female | 2,124 | 1.834(0.131) | Junior | 5,158 | 1.779(0.075) | capital Area | 5,699 | 2.238(0.087) | |
combined | 12,807 | 1.92(0.054) | combined | 12,807 | 1.920(0.054) | combined | 12,807 | 1.92(0.054) | |
diff | 0.102(0.145) | diff | 0.236(0.110) | diff | −0.573(0.108) | ||||
t-value | 0.7069 | t-value | 2.1474** | t-value | −5.2854** | ||||
NS | Male | 4,385 | 5.752(0.170) | Senior | 4,027 | 4.910(0.166) | Non-capital | 3,406 | 5.257(0.182) |
Female | 1,128 | 4.105(0.278) | Junior | 1,486 | 6.785(0.304) | capital Area | 2,107 | 5.671(0.248) | |
combined | 5,513 | 5.415(0.147) | combined | 5,513 | 5.415(0.147) | combined | 5,513 | 5.415(0.147) | |
diff | 1.648(0.363) | diff | −1.875(0.330) | diff | −0.414(0.302) | ||||
t-value | 4.5351** | t-value | −5.6817** | t-value | −1.3709 | ||||
E | Male | 10,466 | 7.419(0.125) | Senior | 7,736 | 7.122(0.144) | Non-capital | 7,083 | 7.328(0.148) |
Female | 408 | 5.478(0.526) | Junior | 3,138 | 7.897(0.225) | capital Area | 3,791 | 7.38(0.214) | |
combined | 10,874 | 7.346(0.122) | combined | 10,874 | 7.346(0.122) | combined | 10,874 | 7.346(0.122) | |
diff | 1.941(0.640) | diff | −0.775(0.268) | diff | −0.053(0.255) | ||||
t-value | 3.0336** | t-value | −2.8886** | t-value | −0.2070 |