From: College major peer effects and attrition from the sciences
Index of peer ability | Residual index of peer ability | |||||||
STEM | Non-STEM | STEM | Non-STEM | |||||
Mean | SD | Mean | SD | Mean | SD | Mean | SD | |
Berkeley | ||||||||
1995-1997 | 1.4555 | 0.0002 | 1.1805 | 0.0003 | 0.0243 | 0.0245 | −0.0158 | 0.0173 |
1998-2000 | 1.6181 | 0.0002 | 1.5583 | 0.0002 | −0.0105 | 0.0095 | 0.0080 | 0.0083 |
2001-2003 | 1.6000 | 0.0002 | 1.4567 | 0.0002 | −0.0131 | 0.0184 | 0.0073 | 0.0139 |
All | 1.5589 | 0.0725 | 1.4007 | 0.1590 | 0.0000 | 0.0251 | 0.0000 | 0.0175 |
Los Angeles | ||||||||
1995-1997 | 0.5979 | 0.0002 | 0.6388 | 0.0002 | −0.0227 | 0.0317 | 0.0147 | 0.0232 |
1998-2000 | 1.0830 | 0.0002 | 1.1922 | 0.0002 | 0.0092 | 0.0132 | −0.0070 | 0.0106 |
2001-2003 | 1.1367 | 0.0002 | 1.1498 | 0.0002 | 0.0111 | 0.0189 | −0.0062 | 0.0139 |
All | 0.9518 | 0.2378 | 1.0063 | 0.2465 | 0.0000 | 0.0270 | 0.0000 | 0.0192 |
San Diego | ||||||||
1995-1997 | 0.2989 | 0.0002 | 0.6030 | 0.0002 | −0.0401 | 0.0340 | 0.0381 | 0.0299 |
1998-2000 | 0.6416 | 0.0002 | 0.9385 | 0.0002 | −0.0101 | 0.0158 | 0.0146 | 0.0168 |
2001-2003 | 0.7347 | 0.0002 | 0.9625 | 0.0002 | 0.0378 | 0.0329 | −0.0400 | 0.0326 |
All | 0.5786 | 0.1831 | 0.8505 | 0.1586 | 0.0000 | 0.0436 | 0.0000 | 0.0434 |
Davis | ||||||||
1995-1997 | −0.1687 | 0.0002 | −0.5313 | 0.0002 | 0.0207 | 0.0344 | −0.0035 | 0.0254 |
1998-2000 | −0.1490 | 0.0002 | −0.5018 | 0.0002 | 0.0196 | 0.0255 | −0.0230 | 0.0295 |
2001-2003 | −0.2904 | 0.0001 | −0.3817 | 0.0002 | −0.0326 | 0.0450 | 0.0224 | 0.0371 |
All | −0.2087 | 0.0647 | −0.4646 | 0.0661 | 0.0000 | 0.0446 | 0.0000 | 0.0370 |
Irvine | ||||||||
1995-1997 | −0.8159 | 0.0002 | −1.0736 | 0.0002 | 0.0159 | 0.0295 | −0.0342 | 0.0450 |
1998-2000 | −0.4559 | 0.0002 | −0.5296 | 0.0002 | −0.0125 | 0.0245 | 0.0121 | 0.0231 |
2001-2003 | −0.2256 | 0.0002 | −0.2415 | 0.0002 | −0.0008 | 0.0321 | 0.0146 | 0.0351 |
All | −0.4688 | 0.2382 | −0.5722 | 0.3369 | 0.0000 | 0.0311 | 0.0000 | 0.0410 |
Santa Barbara | ||||||||
1995-1997 | −1.0099 | 0.0003 | −0.9739 | 0.0002 | −0.0027 | 0.0259 | −0.0184 | 0.0336 |
1998-2000 | −0.2558 | 0.0002 | −0.2593 | 0.0002 | 0.0126 | 0.0206 | −0.0061 | 0.0193 |
2001-2003 | −0.2257 | 0.0002 | −0.1633 | 0.0002 | −0.0094 | 0.0348 | 0.0228 | 0.0391 |
All | −0.4885 | 0.3600 | −0.4563 | 0.3593 | 0.0000 | 0.0294 | 0.0000 | 0.0364 |
Santa Cruz | ||||||||
1995-1997 | −1.2431 | 0.0006 | −0.9166 | 0.0004 | 0.0197 | 0.0301 | −0.0029 | 0.0244 |
1998-2000 | −1.0628 | 0.0004 | −0.7574 | 0.0003 | −0.0004 | 0.0214 | −0.0044 | 0.0195 |
2001-2003 | −1.1463 | 0.0004 | −0.8177 | 0.0002 | −0.0118 | 0.0314 | 0.0053 | 0.0342 |
All | −1.1435 | 0.0685 | −0.8231 | 0.0607 | 0.0000 | 0.0308 | 0.0000 | 0.0280 |
Riverside | ||||||||
1995-1997 | −1.8061 | 0.0007 | −1.6483 | 0.0005 | −0.0178 | 0.0307 | 0.0443 | 0.0670 |
1998-2000 | −1.7132 | 0.0004 | −1.6632 | 0.0003 | −0.0171 | 0.0316 | 0.0127 | 0.0248 |
2001-2003 | −1.6484 | 0.0002 | −1.8592 | 0.0002 | 0.0209 | 0.0394 | −0.0299 | 0.0550 |
All | −1.7032 | 0.0600 | −1.7489 | 0.1005 | 0.0000 | 0.0400 | 0.0000 | 0.0581 |