Table A-7. Imputation for nonresponse in doctorate-granting institutions, by field and graduate enrollment or postdoctoral status: 2010–12 |
Total in survey | Number imputed | Imputation rate (%) | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
Year and field | Organizational units in universe |
Full-time student |
Part-time student |
Post- doctorate |
Full-time student |
Part-time student |
Post- doctorate |
Full-time student |
Full-time student |
Full-time student |
Fall 2012, all surveyed fields | 12,567 | 433,177 | 138,401 | 62,764 | 4,659 | 2,073 | 2,598 | 1.1 | 1.5 | 4.1 |
Science and engineering | 9,857 | 392,563 | 120,643 | 43,765 | 3,980 | 1,866 | 1,592 | 1.0 | 1.5 | 3.6 |
Science | 7,999 | 285,611 | 85,262 | 36,667 | 2,851 | 1,232 | 1,295 | 1.0 | 1.4 | 3.5 |
Agricultural sciences | 462 | 10,815 | 4,411 | 1,285 | 2 | 0 | 26 | 0.0 | 0.0 | 2.0 |
Biological sciences | 2,352 | 61,061 | 9,935 | 20,065 | 589 | 48 | 698 | 1.0 | 0.5 | 3.5 |
Communication | 186 | 6,175 | 2,756 | 58 | 0 | 0 | 4 | 0.0 | 0.0 | 6.9 |
Computer sciences | 442 | 31,739 | 14,808 | 757 | 586 | 352 | 17 | 1.8 | 2.4 | 2.2 |
Earth, atmospheric, and ocean sciences | 416 | 12,199 | 2,970 | 1,947 | 174 | 103 | 92 | 1.4 | 3.5 | 4.7 |
Family and consumer sciences/human sciences | 95 | 2,169 | 1,419 | 58 | 0 | 0 | 3 | 0.0 | 0.0 | 5.2 |
Mathematical sciences | 451 | 18,192 | 4,387 | 900 | 120 | 77 | 47 | 0.7 | 1.8 | 5.2 |
Multidisciplinary/interdisciplinary studies | 340 | 3,807 | 1,743 | 741 | 76 | 1 | 3 | 2.0 | 0.1 | 0.4 |
Neuroscience | 165 | 4,333 | 214 | 1,524 | 0 | 0 | 27 | 0.0 | 0.0 | 1.8 |
Physical sciences | 679 | 35,282 | 3,555 | 7,408 | 28 | 10 | 270 | 0.1 | 0.3 | 3.6 |
Psychology | 663 | 32,830 | 11,622 | 1,126 | 262 | 69 | 93 | 0.8 | 0.6 | 8.3 |
Social sciences | 1,748 | 67,009 | 27,442 | 798 | 1,014 | 572 | 15 | 1.5 | 2.1 | 1.9 |
Engineering | 1,858 | 106,952 | 35,381 | 7,098 | 1,129 | 634 | 297 | 1.1 | 1.8 | 4.2 |
Aerospace engineering | 61 | 3,767 | 1,219 | 170 | 138 | 77 | 6 | 3.7 | 6.3 | 3.5 |
Agricultural engineering | 41 | 1,250 | 294 | 133 | 0 | 0 | 6 | 0.0 | 0.0 | 4.5 |
Architecture | 55 | 2,037 | 303 | 6 | 0 | 0 | 1 | 0.0 | 0.0 | 16.7 |
Biomedical engineering | 141 | 7,931 | 1,154 | 1,161 | 0 | 0 | 11 | 0.0 | 0.0 | 0.9 |
Chemical engineering | 148 | 8,014 | 1,128 | 1,098 | 0 | 0 | 27 | 0.0 | 0.0 | 2.5 |
Civil engineering | 253 | 14,117 | 4,693 | 589 | 0 | 0 | 19 | 0.0 | 0.0 | 3.2 |
Electrical engineering | 285 | 30,528 | 9,862 | 1,152 | 306 | 153 | 47 | 1.0 | 1.6 | 4.1 |
Engineering science | 61 | 1,673 | 500 | 292 | 43 | 24 | 0 | 2.6 | 4.8 | 0.0 |
Industrial engineering | 163 | 7,744 | 5,831 | 127 | 476 | 286 | 1 | 6.1 | 4.9 | 0.8 |
Mechanical engineering | 212 | 16,701 | 5,527 | 983 | 140 | 80 | 89 | 0.8 | 1.4 | 9.1 |
Metallurgical/materials engineering | 144 | 6,088 | 829 | 852 | 26 | 14 | 26 | 0.4 | 1.7 | 3.1 |
Mining engineering | 18 | 240 | 115 | 5 | 0 | 0 | 1 | 0.0 | 0.0 | 20.0 |
Nuclear engineering | 28 | 1,162 | 351 | 120 | 0 | 0 | 9 | 0.0 | 0.0 | 7.5 |
Petroleum engineering | 19 | 1,287 | 233 | 53 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 |
Engineering, nec | 229 | 4,413 | 3,342 | 357 | 0 | 0 | 54 | 0.0 | 0.0 | 15.1 |
Health | 2,710 | 40,614 | 17,758 | 18,999 | 679 | 207 | 1,006 | 1.7 | 1.2 | 5.3 |
Clinical medicine | 1,859 | 16,645 | 8,690 | 16,356 | 481 | 123 | 873 | 2.9 | 1.4 | 5.3 |
Other health | 851 | 23,969 | 9,068 | 2,643 | 198 | 84 | 133 | 0.8 | 0.9 | 5.0 |
Fall 2011, all surveyed fields |
12,419 | 430,623 | 139,911 | 62,545 | 4,659 | 2,073 | 2,598 | 1.1 | 1.5 | 4.2 |
Science and engineering | 9,685 | 388,995 | 122,764 | 44,035 | 3,980 | 1,866 | 1,592 | 1.0 | 1.5 | 3.6 |
Science | 7,862 | 283,914 | 87,919 | 37,255 | 2,851 | 1,232 | 1,295 | 1.0 | 1.4 | 3.5 |
Agricultural sciences | 456 | 10,889 | 4,189 | 1,254 | 2 | 0 | 26 | 0.0 | 0.0 | 2.1 |
Biological sciences | 2,306 | 59,764 | 9,922 | 21,082 | 589 | 48 | 698 | 1.0 | 0.5 | 3.3 |
Communication | 182 | 6,053 | 2,949 | 65 | 0 | 0 | 4 | 0.0 | 0.0 | 6.2 |
Computer sciences | 437 | 30,407 | 15,713 | 756 | 586 | 352 | 17 | 1.9 | 2.2 | 2.2 |
Earth, atmospheric, and ocean sciences | 409 | 11,973 | 2,914 | 1,767 | 174 | 103 | 92 | 1.5 | 3.5 | 5.2 |
Family and consumer sciences/human sciences | 95 | 2,348 | 1,442 | 52 | 0 | 0 | 3 | 0.0 | 0.0 | 5.8 |
Mathematical sciences | 452 | 17,587 | 4,380 | 828 | 120 | 77 | 47 | 0.7 | 1.8 | 5.7 |
Multidisciplinary/interdisciplinary studies | 313 | 3,790 | 1,995 | 704 | 76 | 1 | 3 | 2.0 | 0.1 | 0.4 |
Neuroscience | 163 | 3,909 | 179 | 1,398 | 0 | 0 | 27 | 0.0 | 0.0 | 1.9 |
Physical sciences | 669 | 35,056 | 3,600 | 7,459 | 28 | 10 | 270 | 0.1 | 0.3 | 3.6 |
Psychology | 659 | 33,496 | 12,112 | 1,117 | 262 | 69 | 93 | 0.8 | 0.6 | 8.3 |
Social sciences | 1,721 | 68,642 | 28,524 | 773 | 1,014 | 572 | 15 | 1.5 | 2.0 | 1.9 |
Engineering | 1,823 | 105,081 | 34,845 | 6,780 | 1,129 | 634 | 297 | 1.1 | 1.8 | 4.4 |
Aerospace engineering | 60 | 4,200 | 1,405 | 202 | 138 | 77 | 6 | 3.3 | 5.5 | 3.0 |
Agricultural engineering | 43 | 1,372 | 283 | 129 | 0 | 0 | 6 | 0.0 | 0.0 | 4.7 |
Architecture | 58 | 2,754 | 331 | 16 | 0 | 0 | 1 | 0.0 | 0.0 | 6.3 |
Biomedical engineering | 139 | 7,847 | 1,227 | 1,069 | 0 | 0 | 11 | 0.0 | 0.0 | 1.0 |
Chemical engineering | 146 | 7,594 | 1,147 | 1,137 | 0 | 0 | 27 | 0.0 | 0.0 | 2.4 |
Civil engineering | 248 | 13,898 | 4,630 | 551 | 0 | 0 | 19 | 0.0 | 0.0 | 3.4 |
Electrical engineering | 280 | 29,600 | 9,800 | 1,035 | 306 | 153 | 47 | 1.0 | 1.6 | 4.5 |
Engineering science | 56 | 1,545 | 509 | 280 | 43 | 24 | 0 | 2.8 | 4.7 | 0.0 |
Industrial engineering | 163 | 7,737 | 5,683 | 121 | 476 | 286 | 1 | 6.2 | 5.0 | 0.8 |
Mechanical engineering | 206 | 15,758 | 5,230 | 885 | 140 | 80 | 89 | 0.9 | 1.5 | 10.1 |
Metallurgical/materials engineering | 141 | 5,839 | 740 | 859 | 26 | 14 | 26 | 0.4 | 1.9 | 3.0 |
Mining engineering | 19 | 412 | 86 | 4 | 0 | 0 | 1 | 0.0 | 0.0 | 25.0 |
Nuclear engineering | 27 | 1,165 | 334 | 111 | 0 | 0 | 9 | 0.0 | 0.0 | 8.1 |
Petroleum engineering | 18 | 1,057 | 235 | 35 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 |
Engineering, nec | 219 | 4,303 | 3,205 | 346 | 0 | 0 | 54 | 0.0 | 0.0 | 15.6 |
Health | 2,734 | 41,628 | 17,147 | 18,510 | 679 | 207 | 1,006 | 1.6 | 1.2 | 5.4 |
Clinical medicine | 1,888 | 17,315 | 8,043 | 16,161 | 481 | 123 | 873 | 2.8 | 1.5 | 5.4 |
Other health | 846 | 24,313 | 9,104 | 2,349 | 198 | 84 | 133 | 0.8 | 0.9 | 5.7 |
Fall 2010, all surveyed fields |
12,276 | 433,252 | 142,533 | 63,326 | 4,659 | 2,073 | 2,598 | 1.1 | 1.5 | 4.1 |
Science and engineering | 9,482 | 386,384 | 121,730 | 44,213 | 3,980 | 1,866 | 1,592 | 1.0 | 1.5 | 3.6 |
Science | 7,661 | 279,950 | 86,362 | 37,250 | 2,851 | 1,232 | 1,295 | 1.0 | 1.4 | 3.5 |
Agricultural sciences | 445 | 10,505 | 4,056 | 1,184 | 2 | 0 | 26 | 0.0 | 0.0 | 2.2 |
Biological sciences | 2,279 | 60,028 | 9,494 | 21,677 | 589 | 48 | 698 | 1.0 | 0.5 | 3.2 |
Communication | 167 | 5,588 | 2,631 | 62 | 0 | 0 | 4 | 0.0 | 0.0 | 6.5 |
Computer sciences | 439 | 30,080 | 15,780 | 760 | 586 | 352 | 17 | 1.9 | 2.2 | 2.2 |
Earth, atmospheric, and ocean sciences | 407 | 11,868 | 2,888 | 1,738 | 174 | 103 | 92 | 1.5 | 3.6 | 5.3 |
Family and consumer sciences/human sciences | 87 | 2,118 | 1,373 | 30 | 0 | 0 | 3 | 0.0 | 0.0 | 10.0 |
Mathematical sciences | 450 | 16,917 | 4,413 | 787 | 120 | 77 | 47 | 0.7 | 1.7 | 6.0 |
Multidisciplinary/interdisciplinary studies | 302 | 4,482 | 2,260 | 784 | 76 | 1 | 3 | 1.7 | 0.0 | 0.4 |
Neuroscience | 107 | 2,682 | 116 | 837 | 0 | 0 | 27 | 0.0 | 0.0 | 3.2 |
Physical sciences | 664 | 34,280 | 3,591 | 7,559 | 28 | 10 | 270 | 0.1 | 0.3 | 3.6 |
Psychology | 657 | 33,566 | 11,680 | 1,123 | 262 | 69 | 93 | 0.8 | 0.6 | 8.3 |
Social sciences | 1,657 | 67,836 | 28,080 | 709 | 1,014 | 572 | 15 | 1.5 | 2.0 | 2.1 |
Engineering | 1,821 | 106,434 | 35,368 | 6,963 | 1,129 | 634 | 297 | 1.1 | 1.8 | 4.3 |
Aerospace engineering | 62 | 4,187 | 1,287 | 212 | 138 | 77 | 6 | 3.3 | 6.0 | 2.8 |
Agricultural engineering | 36 | 1,198 | 259 | 119 | 0 | 0 | 6 | 0.0 | 0.0 | 5.0 |
Architecture | 83 | 5,959 | 688 | 10 | 0 | 0 | 1 | 0.0 | 0.0 | 10.0 |
Biomedical engineering | 143 | 7,375 | 1,064 | 1,023 | 0 | 0 | 11 | 0.0 | 0.0 | 1.1 |
Chemical engineering | 148 | 7,472 | 1,101 | 1,077 | 0 | 0 | 27 | 0.0 | 0.0 | 2.5 |
Civil engineering | 257 | 13,719 | 4,780 | 570 | 0 | 0 | 19 | 0.0 | 0.0 | 3.3 |
Electrical engineering | 266 | 28,605 | 10,004 | 1,095 | 306 | 153 | 47 | 1.1 | 1.5 | 4.3 |
Engineering science | 47 | 1,478 | 542 | 235 | 43 | 24 | 0 | 2.9 | 4.4 | 0.0 |
Industrial engineering | 161 | 7,829 | 6,107 | 151 | 476 | 286 | 1 | 6.1 | 4.7 | 0.7 |
Mechanical engineering | 210 | 16,257 | 5,262 | 1,018 | 140 | 80 | 89 | 0.9 | 1.5 | 8.7 |
Metallurgical/materials engineering | 129 | 5,519 | 697 | 840 | 26 | 14 | 26 | 0.5 | 2.0 | 3.1 |
Mining engineering | 19 | 353 | 55 | 4 | 0 | 0 | 1 | 0.0 | 0.0 | 25.0 |
Nuclear engineering | 26 | 1,123 | 336 | 107 | 0 | 0 | 9 | 0.0 | 0.0 | 8.4 |
Petroleum engineering | 18 | 1,058 | 231 | 44 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 |
Engineering, nec | 216 | 4,302 | 2,955 | 458 | 0 | 0 | 54 | 0.0 | 0.0 | 11.8 |
Health | 2,794 | 46,868 | 20,803 | 19,113 | 679 | 207 | 1,006 | 1.4 | 1.0 | 5.3 |
Clinical medicine | 1,888 | 16,852 | 7,216 | 16,514 | 481 | 123 | 873 | 2.9 | 1.7 | 5.3 |
Other health | 906 | 30,016 | 13,587 | 2,599 | 198 | 84 | 133 | 0.7 | 0.6 | 5.1 |
nec = not elsewhere classified. |
SOURCE: National Science Foundation, National Center for Science and Engineering Statistics, NSF-NIH Survey of Graduate Students and Postdoctorates in Science and Engineering. |
Data from survey cycle Fall 2012, as of December 2013. |