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. Click for "last 6 years' i10 index". Also see: Universities Rankings 2024 (Sort by : Total i10 Index) and Universities Rankings 2024 (Sort by : Last 6 Years i10 Index)
* Total i10 Index Rankings
World Rank
9,607
Country Rank
34
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/6427.png)
![South Africa](/flags/za.png)
![Silvia Helena Koller](https://cdn.adscientificindex.com/pictures/3b/1099900.jpg)
Psychology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
338
239
0.707
* Total i10 Index Rankings
World Rank
27,004
Country Rank
125
Institution Rank : 7
![](https://cdn.adscientificindex.com/logos/6427.png)
![South Africa](/flags/za.png)
![Sebastiaan Rothmann](https://cdn.adscientificindex.com/pictures/5c/90396.jpg)
Positive Organizations
Capabilities
Engagement
Flourishing
Well-being
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
216
176
0.815
* Total i10 Index Rankings
World Rank
37,532
Country Rank
77
Institution Rank : 3
![](https://cdn.adscientificindex.com/logos/318.png)
![Egypt](/flags/eg.png)
![Ahmed M Abdel Khalek](https://cdn.adscientificindex.com/pictures/cb/103018.jpg)
Mental Illness
Personality Assessment
Cross Cultural Psychology
Personality Inventory
Positive Psychology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
185
118
0.638
* Total i10 Index Rankings
World Rank
40,073
Country Rank
171
Institution Rank : 13
![](https://cdn.adscientificindex.com/logos/11299.jpg)
![South Africa](/flags/za.png)
![Kobus Maree](https://cdn.adscientificindex.com/pictures/c0/101164.jpg)
Career (construction) counselling
narrative career counselling
life designing
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
179
116
0.648
* Total i10 Index Rankings
World Rank
43,812
Country Rank
186
Institution Rank : 37
![](https://cdn.adscientificindex.com/logos/10906.jpg)
![South Africa](/flags/za.png)
![Mark Solms](/user/assets/images/profile/no-profile-photo.png)
Neuropsychology
Psychoanalysis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
171
111
0.649
* Total i10 Index Rankings
World Rank
50,308
Country Rank
213
Institution Rank : 30
![](https://cdn.adscientificindex.com/logos/8529.jpg)
![South Africa](/flags/za.png)
![Ashraf Kagee](https://cdn.adscientificindex.com/pictures/58/104327.jpg)
HIV/ AIDS
adherence
mental health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
159
121
0.761
* Total i10 Index Rankings
World Rank
61,021
Country Rank
270
Institution Rank : 9
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![South Africa](/flags/za.png)
![Melinde Coetzee](https://cdn.adscientificindex.com/pictures/56/93678.jpg)
Career and Human Capacity Development
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
143
107
0.748
* Total i10 Index Rankings
World Rank
71,143
Country Rank
320
Institution Rank : 23
![](https://cdn.adscientificindex.com/logos/11098.jpg)
![South Africa](/flags/za.png)
![Kevin Durrheim](https://cdn.adscientificindex.com/pictures/41/100942.jpg)
Social psychology
race and ethnic studies
research methods
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
131
94
0.718
* Total i10 Index Rankings
World Rank
87,009
Country Rank
403
Institution Rank : 36
![](https://cdn.adscientificindex.com/logos/11299.jpg)
![South Africa](/flags/za.png)
![Linda C. Theron](https://cdn.adscientificindex.com/pictures/dd/101510.jpg)
Youth resilience
Social Ecology of Resilience Theory
Culture & resilience
African youths' resilience processes
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
116
96
0.828
* Total i10 Index Rankings
World Rank
92,934
Country Rank
431
Institution Rank : 53
![](https://cdn.adscientificindex.com/logos/11498.jpg)
![South Africa](/flags/za.png)
![Neville Pillay](/user/assets/images/profile/no-profile-photo.png)
Animal Behaviour
Behavioural Ecology
Psychology
Ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
112
65
0.580
* Total i10 Index Rankings
World Rank
100,872
Country Rank
460
Institution Rank : 101
![](https://cdn.adscientificindex.com/logos/10906.jpg)
![South Africa](/flags/za.png)
![Catherine Ward](https://cdn.adscientificindex.com/pictures/2c/105394.jpg)
psychology
violence
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
106
84
0.792
* Total i10 Index Rankings
World Rank
111,396
Country Rank
1
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/11593.png)
![Zambia](/flags/zm.png)
![Robert Serpell](https://cdn.adscientificindex.com/pictures/63/89544.jpg)
cultural psychology
child development
intelligence
multilingualism
literacy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
100
48
0.480
* Total i10 Index Rankings
World Rank
112,692
Country Rank
522
Institution Rank : 39
![](https://cdn.adscientificindex.com/logos/11098.jpg)
![South Africa](/flags/za.png)
![Wilfred Isioma Ukpere](https://cdn.adscientificindex.com/pictures/e1/92125.jpg)
Globalisation
Organisational behaviour
Industrial Relations
HR
Business
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
99
64
0.646
* Total i10 Index Rankings
World Rank
117,156
Country Rank
553
Institution Rank : 9
![](https://cdn.adscientificindex.com/logos/16978.png)
![South Africa](/flags/za.png)
![Andrew Gibbs](https://cdn.adscientificindex.com/pictures/91/4515472.jpg)
social psychology
interventions
masculinity
violence
gender
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
96
87
0.906
* Total i10 Index Rankings
World Rank
119,393
Country Rank
566
Institution Rank : 125
![](https://cdn.adscientificindex.com/logos/10906.jpg)
![South Africa](/flags/za.png)
![Kevin Thomas](https://cdn.adscientificindex.com/pictures/9e/100957.jpg)
Neuropsychology
Clinical Psychology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
95
77
0.811
* Total i10 Index Rankings
World Rank
123,177
Country Rank
583
Institution Rank : 127
![](https://cdn.adscientificindex.com/logos/10906.jpg)
![South Africa](/flags/za.png)
![Kevin GF Thomas](https://cdn.adscientificindex.com/pictures/f2/100946.jpg)
Neuropsychology (cross-cultural
HIV
FASD
sleep)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
93
76
0.817
* Total i10 Index Rankings
World Rank
127,602
Country Rank
608
Institution Rank : 136
![](https://cdn.adscientificindex.com/logos/10906.jpg)
![South Africa](/flags/za.png)
![Colin Tredoux](https://cdn.adscientificindex.com/pictures/3d/105894.jpg)
Psychology and law
eyewitness identification
social psychology
segregation
contact
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
91
61
0.670
* Total i10 Index Rankings
World Rank
134,719
Country Rank
642
Institution Rank : 51
![](https://cdn.adscientificindex.com/logos/11098.jpg)
![South Africa](/flags/za.png)
![CPH Myburgh](/user/assets/images/profile/no-profile-photo.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
88
40
0.455
* Total i10 Index Rankings
World Rank
144,062
Country Rank
696
Institution Rank : 53
![](https://cdn.adscientificindex.com/logos/11098.jpg)
![South Africa](/flags/za.png)
![Gert Roodt](/user/assets/images/profile/no-profile-photo.png)
Organisational Behaviour
Psychology assessment
Research methodology
Organisational development
Social sciences
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
84
40
0.476
* Total i10 Index Rankings
World Rank
145,673
Country Rank
704
Institution Rank : 29
![](https://cdn.adscientificindex.com/logos/6427.png)
![South Africa](/flags/za.png)
![Marie Wissing](https://cdn.adscientificindex.com/pictures/90/93323.jpg)
positive psychology
meaning
relational well-being
cultures of positivity
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
83
58
0.699
* Total i10 Index Rankings
World Rank
149,707
Country Rank
37
Institution Rank : 14
![](https://cdn.adscientificindex.com/logos/11019.jpg)
![Ghana](/flags/gh.png)
![Kwaku Oppong Asante](https://cdn.adscientificindex.com/pictures/57/101242.jpg)
Adolescent mental health
Substance use
Suicide
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
81
74
0.914
* Total i10 Index Rankings
World Rank
152,642
Country Rank
739
Institution Rank : 74
![](https://cdn.adscientificindex.com/logos/11125.png)
![South Africa](/flags/za.png)
![Kaymarlin Govender](/user/assets/images/profile/no-profile-photo.png)
psychosocial and behavioural aspects of HIV
adolescents
young people and vulnerable populations
masculinities
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
80
67
0.838
* Total i10 Index Rankings
World Rank
152,749
Country Rank
740
Institution Rank : 17
![](https://cdn.adscientificindex.com/logos/7293.jpg)
![South Africa](/flags/za.png)
![Catriona Macleod](https://cdn.adscientificindex.com/pictures/20/105399.jpg)
Feminist Psychology
Critical Health Psychology
critical studies in sexualities and reproduction
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
80
65
0.813
* Total i10 Index Rankings
World Rank
158,777
Country Rank
780
Institution Rank : 5
![](https://cdn.adscientificindex.com/logos/15664.png)
![South Africa](/flags/za.png)
![Nompumelelo Zungu](https://cdn.adscientificindex.com/pictures/02/4375119.jpg)
Research
Public Health
Psychology
Gender
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
78
52
0.667
* Total i10 Index Rankings
World Rank
162,539
Country Rank
808
Institution Rank : 21
![](https://cdn.adscientificindex.com/logos/11384.jpg)
![South Africa](/flags/za.png)
![Frans Cilliers](https://cdn.adscientificindex.com/pictures/b1/97852.jpg)
Systems Psychodynamics
Positive Psychology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
77
30
0.390
* Total i10 Index Rankings
World Ranking
9,607
Country Ranking
34
Institution Ranking
1
Silvia Helena Koller
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
338
239
0.707
* Total i10 Index Rankings
World Ranking
27,004
Country Ranking
125
Institution Ranking
7
Sebastiaan Rothmann
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
216
176
0.815
![](https://cdn.adscientificindex.com/logos/6427.png)
Positive Organizations
Capabilities
Engagement
Flourishing
Well-being
* Total i10 Index Rankings
World Ranking
37,532
Country Ranking
77
Institution Ranking
3
Ahmed M Abdel Khalek
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
185
118
0.638
![](https://cdn.adscientificindex.com/logos/318.png)
Mental Illness
Personality Assessment
Cross Cultural Psychology
Personality Inventory
Positive Psychology
* Total i10 Index Rankings
World Ranking
40,073
Country Ranking
171
Institution Ranking
13
Kobus Maree
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
179
116
0.648
![](https://cdn.adscientificindex.com/logos/11299.jpg)
Career (construction) counselling
narrative career counselling
life designing
* Total i10 Index Rankings
World Ranking
43,812
Country Ranking
186
Institution Ranking
37
Mark Solms
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
171
111
0.649
* Total i10 Index Rankings
World Ranking
50,308
Country Ranking
213
Institution Ranking
30
Ashraf Kagee
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
159
121
0.761
* Total i10 Index Rankings
World Ranking
61,021
Country Ranking
270
Institution Ranking
9
Melinde Coetzee
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
143
107
0.748
* Total i10 Index Rankings
World Ranking
71,143
Country Ranking
320
Institution Ranking
23
Kevin Durrheim
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
131
94
0.718
![](https://cdn.adscientificindex.com/logos/11098.jpg)
Social psychology
race and ethnic studies
research methods
* Total i10 Index Rankings
World Ranking
87,009
Country Ranking
403
Institution Ranking
36
Linda C. Theron
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
116
96
0.828
![](https://cdn.adscientificindex.com/logos/11299.jpg)
Youth resilience
Social Ecology of Resilience Theory
Culture & resilience
African youths' resilience processes
* Total i10 Index Rankings
World Ranking
92,934
Country Ranking
431
Institution Ranking
53
Neville Pillay
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
112
65
0.580
![](https://cdn.adscientificindex.com/logos/11498.jpg)
Animal Behaviour
Behavioural Ecology
Psychology
Ecology
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![Adscientificindex](/assets/images/banner_click.png)
* Total i10 Index Rankings
World Ranking
100,872
Country Ranking
460
Institution Ranking
101
Catherine Ward
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
106
84
0.792
* Total i10 Index Rankings
World Ranking
111,396
Country Ranking
1
Institution Ranking
1
Robert Serpell
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
100
48
0.480
![](https://cdn.adscientificindex.com/logos/11593.png)
cultural psychology
child development
intelligence
multilingualism
literacy
* Total i10 Index Rankings
World Ranking
112,692
Country Ranking
522
Institution Ranking
39
Wilfred Isioma Ukpere
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
99
64
0.646
![](https://cdn.adscientificindex.com/logos/11098.jpg)
Globalisation
Organisational behaviour
Industrial Relations
HR
Business
* Total i10 Index Rankings
World Ranking
117,156
Country Ranking
553
Institution Ranking
9
Andrew Gibbs
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
96
87
0.906
![](https://cdn.adscientificindex.com/logos/16978.png)
social psychology
interventions
masculinity
violence
gender
* Total i10 Index Rankings
World Ranking
119,393
Country Ranking
566
Institution Ranking
125
Kevin Thomas
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
95
77
0.811
* Total i10 Index Rankings
World Ranking
123,177
Country Ranking
583
Institution Ranking
127
Kevin GF Thomas
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
93
76
0.817
![](https://cdn.adscientificindex.com/logos/10906.jpg)
Neuropsychology (cross-cultural
HIV
FASD
sleep)
* Total i10 Index Rankings
World Ranking
127,602
Country Ranking
608
Institution Ranking
136
Colin Tredoux
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
91
61
0.670
![](https://cdn.adscientificindex.com/logos/10906.jpg)
Psychology and law
eyewitness identification
social psychology
segregation
contact
* Total i10 Index Rankings
World Ranking
134,719
Country Ranking
642
Institution Ranking
51
CPH Myburgh
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
88
40
0.455
* Total i10 Index Rankings
World Ranking
144,062
Country Ranking
696
Institution Ranking
53
Gert Roodt
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
84
40
0.476
![](https://cdn.adscientificindex.com/logos/11098.jpg)
Organisational Behaviour
Psychology assessment
Research methodology
Organisational development
Social sciences
* Total i10 Index Rankings
World Ranking
145,673
Country Ranking
704
Institution Ranking
29
Marie Wissing
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
83
58
0.699
![](https://cdn.adscientificindex.com/logos/6427.png)
positive psychology
meaning
relational well-being
cultures of positivity
* Total i10 Index Rankings
World Ranking
149,707
Country Ranking
37
Institution Ranking
14
Kwaku Oppong Asante
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
81
74
0.914
![](https://cdn.adscientificindex.com/logos/11019.jpg)
Adolescent mental health
Substance use
Suicide
* Total i10 Index Rankings
World Ranking
152,642
Country Ranking
739
Institution Ranking
74
Kaymarlin Govender
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
80
67
0.838
![](https://cdn.adscientificindex.com/logos/11125.png)
psychosocial and behavioural aspects of HIV
adolescents
young people and vulnerable populations
masculinities
* Total i10 Index Rankings
World Ranking
152,749
Country Ranking
740
Institution Ranking
17
Catriona Macleod
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
80
65
0.813
![](https://cdn.adscientificindex.com/logos/7293.jpg)
Feminist Psychology
Critical Health Psychology
critical studies in sexualities and reproduction
* Total i10 Index Rankings
World Ranking
158,777
Country Ranking
780
Institution Ranking
5
Nompumelelo Zungu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
78
52
0.667
* Total i10 Index Rankings
World Ranking
162,539
Country Ranking
808
Institution Ranking
21
Frans Cilliers
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
77
30
0.390
![](https://cdn.adscientificindex.com/logos/11384.jpg)
Systems Psychodynamics
Positive Psychology