Table 1. PhD completion and Median Time to Degree by Program, continued
|
|
|
|
|
Males
|
|
Females
|
|
|
|
PhD Program
|
No. in 1st 5 or 3* Entering Cohorts
|
Completions
|
6- or 8-yr Completion Rate1
|
|
entering
|
completions
|
rate
|
|
entering
|
completions
|
rate
|
|
TTD
|
n2
|
Mechanical Engineering
|
43.
|
9.
|
21%
|
|
35
|
9
|
26%
|
|
8
|
|
0%
|
|
4.00
|
11
|
Management
|
90.
|
52
|
58%
|
|
63
|
39
|
62%
|
|
27
|
13
|
48%
|
|
5.00
|
36
|
Materials Science and Engineering
|
19.
|
10.
|
53%
|
|
19
|
10
|
53%
|
|
|
|
|
|
4.25
|
10
|
Music*
|
44.
|
23
|
52%
|
|
26
|
17
|
65%
|
|
18
|
6
|
33%
|
|
3.00
|
6
|
Neuroscience
|
26.
|
14.
|
54%
|
|
9
|
4
|
44%
|
|
17
|
10
|
59%
|
|
5.50
|
13
|
Nursing
|
15.
|
7.
|
47%
|
|
1
|
|
0%
|
|
14
|
7
|
50%
|
|
5.00
|
6
|
Nutritional Science
|
24.
|
11.
|
46%
|
|
9
|
6
|
67%
|
|
15
|
5
|
33%
|
|
4.75
|
6
|
Optical Sciences
|
84.
|
47.
|
56%
|
|
71
|
42
|
59%
|
|
13
|
5
|
38%
|
|
5.25
|
36
|
Veterinary Science & Microbiology
|
9.
|
7.
|
78%
|
|
4
|
3
|
75%
|
|
5
|
4
|
80%
|
|
4.50
|
3
|
Philosophy*
|
14.
|
5.
|
36%
|
|
13
|
5
|
38%
|
|
1
|
|
0%
|
|
6.50
|
2
|
Physics
|
47.
|
12.
|
26%
|
|
35
|
9
|
26%
|
|
12
|
3
|
25%
|
|
5.25
|
12
|
Plant Sciences/Plant Path
|
35.
|
7.
|
20%
|
|
22
|
5
|
23%
|
|
13
|
2
|
15%
|
|
6.00
|
10
|
Political Science
|
39.
|
8.
|
21%
|
|
21
|
4
|
19%
|
|
18
|
4
|
22%
|
|
5.00
|
9
|
Physiology
|
16.
|
11.
|
69%
|
|
9
|
5
|
56%
|
|
7
|
6
|
86%
|
|
5.00
|
9
|
Psychology
|
52.
|
18.
|
35%
|
|
20
|
9
|
45%
|
|
32
|
9
|
28%
|
|
7.00
|
13
|
Planetary Sciences
|
21.
|
11.
|
52%
|
|
16
|
10
|
63%
|
|
5
|
1
|
20%
|
|
6.00
|
14
|
Systems and Industrial Engineering
|
25.
|
11.
|
44%
|
|
20
|
8
|
40%
|
|
5
|
3
|
60%
|
|
4.00
|
14
|
Sociology
|
36.
|
8.
|
22%
|
|
14
|
3
|
21%
|
|
22
|
5
|
23%
|
|
6.00
|
7
|
Table 1. PhD completion and Median Time to Degree by Program, continued
|
|
|
|
|
Males
|
|
Females
|
|
|
|
PhD Program
|
No. in 1st 5 or 3* Entering Cohorts
|
Completions
|
6- or 8-yr Completion Rate1
|
|
entering
|
completions
|
rate
|
|
entering
|
completions
|
rate
|
|
TTD
|
n2
|
Spanish and Portuguese*
|
14.
|
12.
|
86%
|
|
8
|
7
|
88%
|
|
6
|
5
|
83%
|
|
5.50
|
6
|
Soil, Water and Environmental Sciences
|
22.
|
14.
|
64%
|
|
8
|
6
|
75%
|
|
14
|
8
|
57%
|
|
4.00
|
15
|
* denotes Arts and Humanities departments which are based on the first 3 entering cohorts.
1Number of students in the cohorts who were fulltime throughout PhD career
2Fulltime students who graduated between Fall 1996 and Spring 2006.
__________________________
For Ph.D. programs not included in the NRC study, considering only students who were always fulltime would drastically reduce the numbers since only 36% of these students were fulltime throughout their career. Interestingly, the completion rates for always-fulltime and all students vary little: on average, completion rates are only 6% higher for those who were always fulltime. The data below are for all Ph.D. students. The results in Tables 1 and 2 are not, therefore, directly comparable.
Table 2. Non NRC PhD Program Completion Rates and Median Time to Degree
|
|
|
|
|
Males
|
|
Females
|
|
|
|
|
No. 1st 5 or 3* Entering Cohorts
|
Completions
|
6- or 8-yr Completion Rate
|
|
entering
|
completions
|
rate
|
|
entering
|
completions
|
rate
|
|
TTD
|
n
|
American Indian Studies*
|
7
|
2
|
29%
|
|
1
|
0
|
0%
|
|
6
|
2
|
33%
|
|
5.25
|
6
|
Anthropology & Linguistics
|
11
|
2
|
18%
|
|
3
|
1
|
33%
|
|
8
|
1
|
13%
|
|
6.50
|
4
|
Arid Lands Resource Sciences
|
18
|
1
|
6%
|
|
10
|
0
|
0%
|
|
8
|
1
|
13%
|
|
5.25
|
7
|
Comp Cultural & Literary Studies*
|
23
|
11
|
48%
|
|
3
|
2
|
67%
|
|
20
|
9
|
45%
|
|
6.00
|
11
|
Table 2. Non NRC PhD Program Completion Rates and Median Time to Degree, continued
|
|
|
|
|
Males
|
|
Females
|
|
|
|
|
No. 1st 5 or 3* Entering Cohorts
|
Completions
|
6- or 8-yr Completion Rate
|
|
entering
|
completions
|
rate
|
|
entering
|
completions
|
rate
|
|
TTD
|
n
|
Educational Leadership
|
85
|
26
|
31%
|
|
35
|
9
|
26%
|
|
50
|
17
|
34%
|
|
5.00
|
15
|
Educational Psychology
|
45
|
19
|
42%
|
|
13
|
8
|
62%
|
|
32
|
11
|
34%
|
|
4.00
|
15
|
Entomology
|
4
|
2
|
50%
|
|
3
|
2
|
67%
|
|
1
|
0
|
0%
|
|
8.50
|
1
|
Family & Consumer Sciences
|
33
|
12
|
36%
|
|
10
|
3
|
30%
|
|
23
|
9
|
39%
|
|
6.00
|
12
|
French*
|
3
|
1
|
33%
|
|
1
|
1
|
100%
|
|
2
|
0
|
0%
|
|
|
|
Higher Education
|
97
|
37
|
38%
|
|
51
|
18
|
35%
|
|
46
|
19
|
41%
|
|
4.50
|
37
|
Insect Science
|
9
|
1
|
11%
|
|
5
|
1
|
20%
|
|
4
|
0
|
0%
|
|
6.00
|
1
|
Information Resources & Library Sci
|
8
|
4
|
50%
|
|
6
|
3
|
50%
|
|
2
|
1
|
50%
|
|
|
|
Language, Reading & Culture
|
114
|
48
|
42%
|
|
32
|
9
|
28%
|
|
82
|
39
|
48%
|
|
5.00
|
24
|
Mining Geological & Geophysical Eng
|
39
|
13
|
33%
|
|
33
|
11
|
33%
|
|
6
|
2
|
33%
|
|
5.50
|
1
|
Music*
|
65
|
31
|
48%
|
|
38
|
21
|
55%
|
|
27
|
10
|
37%
|
|
5.00
|
28
|
Natural Resources
|
48
|
13
|
27%
|
|
27
|
9
|
33%
|
|
21
|
4
|
19%
|
|
5.25
|
16
|
Second Lang Acquisition & Teaching
|
52
|
27
|
52%
|
|
18
|
9
|
50%
|
|
34
|
18
|
53%
|
|
5.00
|
16
|
Speech, Language and Hearing Sciences
|
16
|
9
|
56%
|
|
5
|
1
|
20%
|
|
11
|
8
|
73%
|
|
4.50
|
5
|
Special Education
|
66
|
20
|
30%
|
|
20
|
7
|
35%
|
|
46
|
13
|
28%
|
|
4.50
|
14
|
Teaching & Teacher Education
|
48
|
14
|
29%
|
|
21
|
6
|
29%
|
|
27
|
8
|
30%
|
|
6.50
|
8
|
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