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Table A-8. Imputation for nonresponse in master's-granting institutions, by field and graduate enrollment, postdoctorate, or doctorate nonfaculty researcher status: 2013–15

Year and field Organizational units in universe Total in survey Number imputed Imputation rate (%)
Full-time students Part-time students Postdoctoral appointees Doctorate Nonfaculty researchers Full-time students Part-time students Postdoctoral appointees Doctorate Nonfaculty researchers Full-time students Part-time students Postdoctoral appointees Doctorate Nonfaculty researchers
Fall 2015, all surveyed fields 1,696 41,567 38,886 161 93 1,277 1,210 15 0 3.1 3.1 9.3 0.0
Science and engineering 1,510 34,231 35,122 127 77 1,056 835 15 0 3.1 2.4 11.8 0.0
Science 1,340 29,224 31,146 125 67 981 761 15 0 3.4 2.4 12.0 0.0
Agricultural sciences 63 771 670 11 11 0 0 0 0 0.0 0.0 0.0 0.0
Biological sciences 229 3,840 3,294 47 19 112 65 13 0 2.9 2.0 27.7 0.0
Communication 73 876 1,111 0 1 22 11 0 0 2.5 1.0 0.0 0.0
Computer sciences 136 9,225 8,770 1 1 488 113 0 0 5.3 1.3 0.0 0.0
Earth, atmospheric, and ocean sciences 57 468 546 12 6 0 0 0 0 0.0 0.0 0.0 0.0
Family and consumer sciences and human sciences 14 248 304 0 0 54 35 0 0 21.8 11.5 0.0 0.0
Mathematics and statistics 84 816 1,259 4 0 16 15 0 0 2.0 1.2 0.0 0.0
Multidisciplinary and interdisciplinary studies 49 610 521 5 9 31 3 0 0 5.1 0.6 0.0 0.0
Neurobiology and neuroscience 4 47 41 0 1 0 0 0 0 0.0 0.0 0.0 0.0
Physical sciences 75 623 469 36 9 23 0 2 0 3.7 0.0 5.6 0.0
Psychology 237 6,476 4,399 7 1 107 53 0 0 1.7 1.2 0.0 0.0
Social sciences 319 5,224 9,762 2 9 128 466 0 0 2.5 4.8 0.0 0.0
Engineering 170 5,007 3,976 2 10 75 74 0 0 1.5 1.9 0.0 0.0
Aerospace engineering 2 48 41 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Agricultural engineering 0 0 0 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Architecture 1 12 6 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Biomedical engineering 8 101 79 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Chemical engineering 5 50 47 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Civil engineering 28 535 747 1 3 0 0 0 0 0.0 0.0 0.0 0.0
Electrical engineering 50 2,763 1,478 0 1 0 0 0 0 0.0 0.0 0.0 0.0
Engineering science, mechanics, and physics 1 2 3 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Industrial and manufacturing engineering 24 730 400 0 0 43 41 0 0 5.9 10.3 0.0 0.0
Mechanical engineering 27 578 798 1 0 6 29 0 0 1.0 3.6 0.0 0.0
Metallurgical and materials engineering 3 34 22 0 6 0 0 0 0 0.0 0.0 0.0 0.0
Mining engineering 0 0 0 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Nuclear engineering 0 0 0 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Petroleum engineering 0 0 0 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Engineering nec 21 154 355 0 0 26 4 0 0 16.9 1.1 0.0 0.0
Health 186 7,336 3,764 34 16 221 375 0 0 3.0 10.0 0.0 0.0
Clinical medicine 52 2,171 1,814 7 3 99 370 0 0 4.6 20.4 0.0 0.0
Other health 134 5,165 1,950 27 13 122 5 0 0 2.4 0.3 0.0 0.0
Fall 2014new, all surveyed fieldsa 1,705 39,369 38,265 147 64 386 425 2 0 1.0 1.1 1.4 0.0
Science and engineering 1,520 32,887 34,567 127 51 297 78 2 0 0.9 0.2 1.6 0.0
Science 1,338 28,268 31,056 121 42 297 78 0 0 1.1 0.3 0.0 0.0
Agricultural sciences 61 810 628 8 3 0 0 0 0 0.0 0.0 0.0 0.0
Biological sciences 236 3,777 3,250 49 8 66 45 0 0 1.7 1.4 0.0 0.0
Communication 70 883 1,231 0 3 0 0 0 0 0.0 0.0 0.0 0.0
Computer sciences 140 8,132 7,485 3 5 216 6 0 0 2.7 0.1 0.0 0.0
Earth, atmospheric, and ocean sciences 55 472 603 12 2 0 0 0 0 0.0 0.0 0.0 0.0
Family and consumer sciences and human sciences 13 230 311 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Mathematics and statistics 85 908 1,324 3 0 10 11 0 0 1.1 0.8 0.0 0.0
Multidisciplinary and interdisciplinary studies 52 571 544 1 3 5 16 0 0 0.9 2.9 0.0 0.0
Neurobiology and neuroscience 6 38 34 2 1 0 0 0 0 0.0 0.0 0.0 0.0
Physical sciences 73 504 513 36 13 0 0 0 0 0.0 0.0 0.0 0.0
Psychology 236 6,361 4,759 6 1 0 0 0 0 0.0 0.0 0.0 0.0
Social sciences 311 5,582 10,374 1 3 0 0 0 0 0.0 0.0 0.0 0.0
Engineering 182 4,619 3,511 6 9 0 0 2 0 0.0 0.0 33.3 0.0
Aerospace engineering 2 51 40 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Agricultural engineering 0 0 0 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Architecture 2 20 8 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Biomedical engineering 7 90 46 2 0 0 0 2 0 0.0 0.0 100.0 0.0
Chemical engineering 5 42 48 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Civil engineering 34 559 799 1 3 0 0 0 0 0.0 0.0 0.0 0.0
Electrical engineering 52 2,462 1,201 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Engineering science, mechanics, and physics 2 34 5 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Industrial and manufacturing engineering 24 533 353 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Mechanical engineering 28 527 616 3 0 0 0 0 0 0.0 0.0 0.0 0.0
Metallurgical and materials engineering 3 22 37 0 6 0 0 0 0 0.0 0.0 0.0 0.0
Mining engineering 0 0 0 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Nuclear engineering 0 0 0 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Petroleum engineering 0 0 0 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Engineering nec 23 279 358 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Health 185 6,482 3,698 20 13 89 347 0 0 1.4 9.4 0.0 0.0
Clinical medicine 49 1,734 1,719 8 2 89 347 0 0 5.1 20.2 0.0 0.0
Other health 136 4,748 1,979 12 11 0 0 0 0 0.0 0.0 0.0 0.0
Fall 2014old, all surveyed fieldsa 1,384 32,996 29,142 120 55 46 19 0 0 0.1 0.1 0.0 0.0
Science and engineering 1,241 27,840 26,395 112 47 46 19 0 0 0.2 0.1 0.0 0.0
Science 1,087 23,468 23,244 108 38 46 19 0 0 0.2 0.1 0.0 0.0
Agricultural sciences 43 575 397 8 3 0 0 0 0 0.0 0.0 0.0 0.0
Biological sciences 186 2,831 2,496 44 8 37 8 0 0 1.3 0.3 0.0 0.0
Communication 59 653 1,037 0 3 0 0 0 0 0.0 0.0 0.0 0.0
Computer sciences 107 6,907 3,381 3 5 0 0 0 0 0.0 0.0 0.0 0.0
Earth, atmospheric, and ocean sciences 45 376 536 10 1 0 0 0 0 0.0 0.0 0.0 0.0
Family and consumer sciences and human sciences 11 204 215 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Mathematics and statistics 70 845 1,192 3 0 9 11 0 0 1.1 0.9 0.0 0.0
Multidisciplinary and interdisciplinary studies 36 275 343 1 0 0 0 0 0 0.0 0.0 0.0 0.0
Neurobiology and neuroscience 5 38 34 2 1 0 0 0 0 0.0 0.0 0.0 0.0
Physical sciences 69 480 492 31 13 0 0 0 0 0.0 0.0 0.0 0.0
Psychology 199 5,605 4,255 5 1 0 0 0 0 0.0 0.0 0.0 0.0
Social sciences 257 4,679 8,866 1 3 0 0 0 0 0.0 0.0 0.0 0.0
Engineering 154 4,372 3,151 4 9 0 0 0 0 0.0 0.0 0.0 0.0
Aerospace engineering 2 51 40 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Agricultural engineering 0 0 0 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Architecture 1 18 8 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Biomedical engineering 6 90 46 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Chemical engineering 5 42 48 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Civil engineering 30 518 725 1 3 0 0 0 0 0.0 0.0 0.0 0.0
Electrical engineering 45 2,409 1,108 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Engineering science, mechanics, and physics 1 27 1 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Industrial and manufacturing engineering 20 429 271 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Mechanical engineering 22 516 538 3 0 0 0 0 0 0.0 0.0 0.0 0.0
Metallurgical and materials engineering 3 22 37 0 6 0 0 0 0 0.0 0.0 0.0 0.0
Mining engineering 0 0 0 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Nuclear engineering 0 0 0 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Petroleum engineering 0 0 0 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Engineering nec 19 250 329 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Health 143 5,156 2,747 8 8 0 0 0 0 0.0 0.0 0.0 0.0
Clinical medicine 32 1,005 958 4 2 0 0 0 0 0.0 0.0 0.0 0.0
Other health 111 4,151 1,789 4 6 0 0 0 0 0.0 0.0 0.0 0.0
Fall 2013, all surveyed fields 1,412 29,003 30,003 118 68 414 974 21 9 1.4 3.2 17.8 13.2
Science and engineering 1,273 24,295 27,117 112 61 414 974 21 9 1.7 3.6 18.8 14.8
Science 1,104 21,262 23,876 110 52 399 958 21 9 1.9 4.0 19.1 17.3
Agricultural sciences 45 600 429 8 6 0 0 0 0 0.0 0.0 0.0 0.0
Biological sciences 186 2,767 2,695 19 12 5 1 0 0 0.2 0.0 0.0 0.0
Communication 58 734 1,158 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Computer sciences 110 3,971 2,643 4 1 38 60 2 0 1.0 2.3 50.0 0.0
Earth, atmospheric, and ocean sciences 47 396 514 9 9 0 0 0 2 0.0 0.0 0.0 22.2
Family and consumer sciences and human sciences 8 188 182 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Mathematics and statistics 74 814 1,202 1 0 6 9 0 0 0.7 0.7 0.0 0.0
Multidisciplinary and interdisciplinary studies 37 183 317 2 1 24 46 0 0 13.1 14.5 0.0 0.0
Neurobiology and neuroscience 3 1 34 3 0 0 0 0 0 0.0 0.0 0.0 0.0
Physical sciences 70 555 520 40 10 0 0 0 0 0.0 0.0 0.0 0.0
Psychology 196 6,010 4,813 23 9 41 95 19 7 0.7 2.0 82.6 77.8
Social sciences 270 5,043 9,369 1 4 285 747 0 0 5.7 8.0 0.0 0.0
Engineering 169 3,033 3,241 2 9 15 16 0 0 0.5 0.5 0.0 0.0
Aerospace engineering 2 40 40 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Agricultural engineering 0 0 0 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Architecture 1 14 12 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Biomedical engineering 7 77 63 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Chemical engineering 6 32 47 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Civil engineering 29 428 695 0 1 0 0 0 0 0.0 0.0 0.0 0.0
Electrical engineering 47 1,414 930 0 2 0 0 0 0 0.0 0.0 0.0 0.0
Engineering science, mechanics, and physics 4 35 27 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Industrial and manufacturing engineering 22 365 401 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Mechanical engineering 22 341 545 2 0 0 0 0 0 0.0 0.0 0.0 0.0
Metallurgical and materials engineering 3 32 35 0 6 0 0 0 0 0.0 0.0 0.0 0.0
Mining engineering 1 2 0 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Nuclear engineering 0 0 0 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Petroleum engineering 1 3 1 0 0 0 0 0 0 0.0 0.0 0.0 0.0
Engineering nec 24 250 445 0 0 15 16 0 0 6.0 3.6 0.0 0.0
Health 139 4,708 2,886 6 7 0 0 0 0 0.0 0.0 0.0 0.0
Clinical medicine 34 798 943 3 2 0 0 0 0 0.0 0.0 0.0 0.0
Other health 105 3,910 1,943 3 5 0 0 0 0 0.0 0.0 0.0 0.0
nec = not elsewhere classified.
a In 2014, the survey frame was updated following a comprehensive frame evaluation study. The study identified potentially eligible but not previously surveyed academic institutions in the United States with master's- or doctorate-granting programs in science, engineering, or health. A total of 151 newly eligible institutions were added, and two private for-profit institutions offering mostly practitioner-based graduate degrees were determined to be ineligible.
SOURCE: National Science Foundation, National Center for Science and Engineering Statistics, Survey of Graduate Students and Postdoctorates in Science and Engineering.