Table 2 Descriptive statistics.
Variables | Observations | Percentage | Mean | Standard deviation | Minimum | Maximum |
|---|---|---|---|---|---|---|
Independent variables | ||||||
Multidisciplinary Frequency | 84,910 | 0.494 | 0.676 | 0 | 2 | |
0 = No Transitions in Discipline | 51,740 | 60.94 | ||||
1 = Transitioned Discipline Once | 24,376 | 28.71 | ||||
2 = Transitioned Discipline Twice | 8794 | 10.36 | ||||
Temporal Multidisciplinary Shifts | 84,910 | 0.600 | 1.024 | 0 | 3 | |
0 = No transition in discipline | 51,740 | 60.94 | ||||
1 = the undergraduate to graduate stage | 12,667 | 14.92 | ||||
2 = the graduate to placement stage | 11,709 | 13.79 | ||||
3 = Transitioned in both stages | 8794 | 10.36 | ||||
Nature of Multidisciplinary Transition (the Undergraduate to Graduate Stage) | ||||||
Hard-Soft | 84,910 | 0.0358 | 0.186 | 0 | 1 | |
0 = No | 81,867 | 96.42 | ||||
1 = Yes | 3043 | 3.58 | ||||
Pure-Applied | 84,910 | 0.101 | 0.302 | 0 | 1 | |
0 = No | 76,323 | 89.89 | ||||
1 = Yes | 8587 | 10.11 | ||||
Nonlife-Life | 84,910 | 0.0822 | 0.275 | 0 | 1 | |
0 = No | 77,928 | 91.78 | ||||
1 = Yes | 6982 | 8.22 | ||||
Soft-Hard | 84,910 | 0.0400 | 0.196 | 0 | 1 | |
0 = No | 81,516 | 96.00 | ||||
1 = Yes | 3394 | 4.00 | ||||
Applied-Pure | 84,910 | 0.0359 | 0.186 | 0 | 1 | |
0 = No | 81,862 | 96.41 | ||||
1 = Yes | 3048 | 3.59 | ||||
Life-Nonlife | 84,910 | 0.0260 | 0.159 | 0 | 1 | |
0 = No | 82,702 | 97.40 | ||||
1 = Yes | 2208 | 2.60 | ||||
Nature of Multidisciplinary Transition (the Graduate to Placement Stage) | ||||||
Hard-Soft | 84,910 | 0.0677 | 0.251 | 0 | 1 | |
0 = No | 79,165 | 93.23 | ||||
1 = Yes | 5745 | 6.77 | ||||
Pure-Applied | 84,910 | 0.169 | 0.375 | 0 | 1 | |
0 = No | 70,547 | 83.08 | ||||
1 = Yes | 14,363 | 16.92 | ||||
Nonlife-Life | 84,910 | 0.158 | 0.365 | 0 | 1 | |
0 = No | 71,493 | 84.20 | ||||
1 = Yes | 13,417 | 15.80 | ||||
Soft-Hard | 84,910 | 0.0752 | 0.264 | 0 | 1 | |
0 = No | 78,523 | 92.48 | ||||
1 = Yes | 6387 | 7.52 | ||||
Applied-Pure | 84,910 | 0.0665 | 0.249 | 0 | 1 | |
0 = No | 79,266 | 93.35 | ||||
1 = Yes | 5644 | 6.65 | ||||
Life-Nonlife | 84,910 | 0.0499 | 0.218 | 0 | 1 | |
Dependent Variables | ||||||
Placement of University Faculty | 84,910 | 259.5 | 276.9 | 1 | 989 | |
Upward Mobility in Placement Compared to Undergraduate | 40,348 | 0.410 | 0.492 | 0 | 1 | |
0 = No | 23,810 | 59.01 | ||||
1 = Yes | 16,538 | 40.99 | ||||
Upward Mobility in Placement Compared to Graduate | 67,987 | 0.350 | 0.477 | 0 | 1 | |
0 = No | 44,213 | 65.03 | ||||
1 = Yes | 23,774 | 34.97 | ||||
Control Variables | ||||||
Gender | 60,430 | 0.599 | 0.490 | 0 | 1 | |
0 = Female | 24,205 | 40.05 | ||||
1 = Male | 36,225 | 59.95 | ||||
Title | 84,910 | 2.300 | 1.159 | 1 | 4 | |
0 = Full professors | 31,276 | 36.83 | ||||
1 = Associate professors | 13,718 | 16.16 | ||||
2 = Assistant professors and lecturers | 23,064 | 27.16 | ||||
3 = Postdoctoral and other personnel | 16,852 | 19.85 | ||||
Academic Inbreeding | 84,910 | 0.228 | 0.419 | 0 | 1 | |
0 = No | 65,575 | 77.23 | ||||
1 = Yes | 19,335 | 22.77 | ||||
Country | 84,910 | 5.943 | 11.79 | 1 | 50 | |
United States | 65,884 | 77.59 | ||||
Canada | 2561 | 3.02 | ||||
Australia | 4198 | 4.94 | ||||
New Zealand | 2302 | 2.71 | ||||
United Kingdom | 9535 | 11.23 | ||||
Singapore | 430 | 0.51 | ||||
International Mobility | 84,910 | 0.251 | 0.434 | 0 | 1 | |
0 = No | 63,561 | 74.86 | ||||
1 = Yes | 21,349 | 25.14 | ||||
Academic Productivity | ||||||
Total publications | 84,910 | 30.87 | 44.57 | 0 | 212 | |
Total citations | 52,051 | 1071 | 1143 | 4 | 7,108 | |
Academic Influence | 52,051 | 12.44 | 6.521 | 1 | 35 | |