Productivity Rankings is a unique service offered only by “AD Scientific Index”. This is a ranking system derived from the i10 index in order to show the productivity of the scientist in publishing scientific articles of value. Productivity Rankings is an instrument that lists productive scientists in a given area, discipline, university, and country and can guide the development of meaningful incentives and academic policies. The world rankings, regional rankings, and university rankings of scientists in this table are developed based on the total i10 index. Additionally, click to view the special rankings based on Productivity Rankings: Scientists Last 6 years' i10 Index", Universities Total i10 Index Rankings 2025, Universities Last 6 Years i10 Index Rankings 2025 "Art and Humanities i10 Productivity Rankings" and "Social Sciences and Humanities i10 Productivity Rankings".
* Total i10 IndexRankings
Ranking Based On Selection :1
angiogenesis
biomarkers
cardiovascular physiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
18
0.439
* Total i10 IndexRankings
Ranking Based On Selection :2
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
39
23
0.590
* Total i10 IndexRankings
Ranking Based On Selection :3
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
22
0.957
* Total i10 IndexRankings
Ranking Based On Selection :4
learning and memory
Alzheimer's disease
endocrine disruptors
Fragile X
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
12
0.522
* Total i10 IndexRankings
Ranking Based On Selection :5
Actuarial Science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
14
0.737
* Total i10 IndexRankings
Ranking Based On Selection :6
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
9
0.474
* Total i10 IndexRankings
Ranking Based On Selection :7
Personality Disorders
Dimensional Personality Models
Nonsuicidal Self-Injury
Maladaptive Behaviors
Clinical Utility
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
17
0.944
* Total i10 IndexRankings
Ranking Based On Selection :8
Exercise Physiology
Vascular Physiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
14
0.778
* Total i10 IndexRankings
Ranking Based On Selection :9
Environmental Toxicology
Canine genetics
Canine cancer
Drug and xenobiotic metabolism
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
8
0.533
* Total i10 IndexRankings
Ranking Based On Selection :10
Adolescent Literacy
Digital Literacy
Teacher Professional Development
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
12
0.923
* Total i10 IndexRankings
Ranking Based On Selection :11
Development economics
computational economics
applied econometrics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
5
1.000
* Total i10 IndexRankings
Ranking Based On Selection :12
race gender queerness family
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
4
0.800
* Total i10 IndexRankings
Ranking Based On Selection :13
History of mathematics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
3
0.600
* Total i10 IndexRankings
Ranking Based On Selection :14
algorithmic randomness
computability theory
philosophy of mathematics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
2
0.400
* Total i10 IndexRankings
Ranking Based On Selection :15
data envelopment analysis
machine learning
performance evaluation
benchmarking
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
* Total i10 IndexRankings
Ranking Based On Selection :16
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
2
0.667
* Total i10 IndexRankings
Ranking Based On Selection :17
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 IndexRankings
Ranking Based On Selection :18
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Ronald Torry
Drake University
Des Moines, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
18
0.439
Olga Lazareva
Drake University
Des Moines, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
39
23
0.590
Jill M Allen
Drake University
Des Moines, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
22
0.957
Craige Wrenn
Drake University
Des Moines, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
12
0.522
learning and memory
Alzheimer's disease
endocrine disruptors
Fragile X
Yiqing Chen
Drake University
Des Moines, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
14
0.737
Jill Johnson
Drake University
Des Moines, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
9
0.474
Gregory Lengel
Drake University
Des Moines, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
17
0.944
Personality Disorders
Dimensional Personality Models
Nonsuicidal Self-Injury
Maladaptive Behaviors
Clinical Utility
Meredith Luttrell
Drake University
Des Moines, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
14
0.778
James Sacco
Drake University
Des Moines, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
8
0.533
Environmental Toxicology
Canine genetics
Canine cancer
Drug and xenobiotic metabolism
Lindsay Woodward
Drake University
Des Moines, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
12
0.923
Adolescent Literacy
Digital Literacy
Teacher Professional Development
Heath Henderson
Drake University
Des Moines, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
5
1.000
Development economics
computational economics
applied econometrics
Sandra Patton-Imani
Drake University
Des Moines, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
4
0.800
Daniel S Alexander
Drake University
Des Moines, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
3
0.600
Christopher P Porter
Drake University
Des Moines, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
2
0.400
algorithmic randomness
computability theory
philosophy of mathematics
Yu Renee Shi
Drake University
Des Moines, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
data envelopment analysis
machine learning
performance evaluation
benchmarking
Nate Holdren
Drake University
Des Moines, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
2
0.667
Jonah Jackson
Drake University
Des Moines, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Suzanne Levitt
Drake University
Des Moines, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0