Appendix B
TABLE B-1 Age Distribution of New Entrants, 1973-1979
|
|
FIELD OF SCIENCE |
||
Age |
Biomedical |
Nonbiomedical |
Behavioral |
Nonbehavioral |
<29 |
0.251 |
0.194 |
0.228 |
0.2 |
29-30 |
0.267 |
0.226 |
0.215 |
0.237 |
31-32 |
0.183 |
0.189 |
0.189 |
0.188 |
33-34 |
0.118 |
0.122 |
0.102 |
0.125 |
35-36 |
0.076 |
0.082 |
0.075 |
0.082 |
37-38 |
0.039 |
0.054 |
0.049 |
0.052 |
39-40 |
0.021 |
0.034 |
0.033 |
0.031 |
41-42 |
0.012 |
0.024 |
0.025 |
0.021 |
43-44 |
0.013 |
0.017 |
0.018 |
0.016 |
45-46 |
0.006 |
0.017 |
0.018 |
0.014 |
47-48 |
0.006 |
0.013 |
0.009 |
0.012 |
49-50 |
0.002 |
0.007 |
0.012 |
0.005 |
51-52 |
0.002 |
0.01 |
0.01 |
0.006 |
53-54 |
0.002 |
0.005 |
0.003 |
0.005 |
55-56 |
0 |
0.002 |
0.003 |
0.002 |
57-58 |
0 |
0.002 |
0.004 |
0.001 |
59-60 |
0 |
0.001 |
0.002 |
0.001 |
>60 |
0.001 |
0.001 |
0.003 |
0.002 |
SOURCE: Survey of Doctorate Recipients (1975-1979). |
TABLE B-2 Age Distribution of New Entrants, 1979-1985
|
|
FIELD OF SCIENCE |
||||
Age |
Biomedical |
Nonbiomedical |
Behavioral |
Nonbehavioral |
||
<29 |
0.195 |
0.154 |
0.142 |
0.162 |
||
29-30 |
0.29 |
0.204 |
0.197 |
0.222 |
||
31-32 |
0.211 |
0.179 |
0.174 |
0.182 |
||
33-34 |
0.12 |
0.153 |
0.167 |
0.147 |
||
35-36 |
0.07 |
0.094 |
0.084 |
0.089 |
||
37-38 |
0.043 |
0.07 |
0.078 |
0.064 |
||
39-40 |
0.022 |
0.043 |
0.047 |
0.039 |
||
41-42 |
0.019 |
0.029 |
0.025 |
0.027 |
||
43-44 |
0.008 |
0.019 |
0.027 |
0.017 |
||
45-46 |
0.007 |
0.013 |
0.011 |
0.012 |
||
47-48 |
0.004 |
0.011 |
0.012 |
0.01 |
||
49-50 |
0.005 |
0.008 |
0.014 |
0.007 |
||
51-52 |
0.003 |
0.006 |
0.006 |
0.006 |
||
53-54 |
0.001 |
0.003 |
0.003 |
0.003 |
||
55-56 |
0.002 |
0.005 |
0.004 |
0.004 |
||
57-58 |
0.001 |
0.005 |
0.005 |
0.004 |
||
59-60 |
0 |
0.002 |
0.003 |
0.002 |
||
>60 |
0.001 |
0.001 |
0.003 |
0.001 |
||
Source: Survey of Doctorate Recipients (1981-1985). |
TABLE B-3 Age Distribution of New Entrants, 1985-1991
|
|
FIELD OF SCIENCE |
||
Age |
Biomedical |
Nonbiomedical |
Behavioral |
Nonbehavioral |
<29 |
0.116 |
0.115 |
0.074 |
0.123 |
29-30 |
0.268 |
0.18 |
0.133 |
0.209 |
31-32 |
0.207 |
0.178 |
0.166 |
0.187 |
33-34 |
0.131 |
0.14 |
0.138 |
0.138 |
35-36 |
0.092 |
0.106 |
0.133 |
0.098 |
37-38 |
0.07 |
0.079 |
0.093 |
0.075 |
39-40 |
0.04 |
0.06 |
0.06 |
0.056 |
41-42 |
0.028 |
0.042 |
0.068 |
0.034 |
43-44 |
0.018 |
0.029 |
0.043 |
0.024 |
45-46 |
0.01 |
0.022 |
0.033 |
0.017 |
47-48 |
0.009 |
0.013 |
0.017 |
0.011 |
49-50 |
0.004 |
0.009 |
0.012 |
0,008 |
51-52 |
0.003 |
0.007 |
0.009 |
0.005 |
53-54 |
0 |
0.006 |
0.007 |
0.004 |
55-56 |
0.002 |
0.003 |
0.004 |
0.003 |
57-58 |
0.001 |
0.003 |
0.002 |
0.002 |
59-60 |
0.003 |
0. 003 |
0.002 |
0.003 |
>60 |
0 |
0.003 |
0.002 |
0.003 |
SOURCE: Survey of Doctorate Recipients (1987-1991). |
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