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Table 10 Summary statistics for peer ability indices and residual peer ability indices by campus and cohort

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