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
Special Education
Psychological Resarch and Measurement and Therapeutic InteventionEvaluation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
5
0.833
* Total i10 IndexRankings
Ranking Based On Selection :2
Adult Literacy
Leadership/Teacher Training
Girls Education
Community development
Special education
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
2
0.333
* Total i10 IndexRankings
Ranking Based On Selection :3
Special Education (Learning disability)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
* Total i10 IndexRankings
Ranking Based On Selection :4
Speech/ Hearing Education
Special Education
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
2
0.667
* Total i10 IndexRankings
Ranking Based On Selection :5
Inclusive Education
Learning Disability
Rehabilitation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
1
0.500
* Total i10 IndexRankings
Ranking Based On Selection :6
Special Education
Visual Impairment
Adapted P.E and Rehabilitation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 IndexRankings
Ranking Based On Selection :7
Professor of Special Education / Intellectual and Developmental Disability
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 IndexRankings
Ranking Based On Selection :8
Visual Impairment and Rehabilitation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
0
0.000
* Total i10 IndexRankings
Ranking Based On Selection :9
counselling psychology/Special Education
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
0
0.000
* Total i10 IndexRankings
Ranking Based On Selection :10
Education
Guidance and Counselling
Psychology
Special Education
General Education
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
0
0.000
* Total i10 IndexRankings
Ranking Based On Selection :11
Adjustment of Persons with Visual Impairment
Assistive Technology and General Special Education
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 IndexRankings
Ranking Based On Selection :12
Women Health and family Counselling
Psychology
Special Education and Gender issues
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 IndexRankings
Ranking Based On Selection :13
Hearing And Speech Rehabilitation Sciences
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 IndexRankings
Ranking Based On Selection :14
Special Education
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 IndexRankings
Ranking Based On Selection :15
Special Education
Speech and language disorders
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 IndexRankings
Ranking Based On Selection :16
Hearing Impairment
Special Education
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 IndexRankings
Ranking Based On Selection :17
Special Education
Inclusion
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 IndexRankings
Ranking Based On Selection :18
Speech development and disorder in children and adult
Social protection policies for children with speech disorder
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 IndexRankings
Ranking Based On Selection :19
Learning Disability
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 IndexRankings
Ranking Based On Selection :20
Theoretical Linguistics
Typology Studies
Sociolinguistics
Sociophonetics
Special Education
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 IndexRankings
Ranking Based On Selection :21
Special Education- Learning Disabilities
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 IndexRankings
Ranking Based On Selection :22
Hearing Impairment
Deaf Education
Special Education
Inclusive Education
Individualized
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Oluseyi Akintunde Dada
University of Calabar
Calabar, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
5
0.833
Special Education
Psychological Resarch and Measurement and Therapeutic InteventionEvaluation
Williams Emeka Obiozor
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
2
0.333
Adult Literacy
Leadership/Teacher Training
Girls Education
Community development
Special education
Adedayo Adesokan
Kwara State University
Ilorin, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
Julius Ademokoya
University of Medical Sciences Ondo
Ondo City, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
2
0.667
Speech/ Hearing Education
Special Education
Adaka Terfa Ahon, Fciled
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
1
0.500
Inclusive Education
Learning Disability
Rehabilitation
Josephine Nanjwan
University of Calabar
Calabar, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Special Education
Visual Impairment
Adapted P.E and Rehabilitation
Olubukola Christianah Dada
Kwara State University
Ilorin, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Professor of Special Education / Intellectual and Developmental Disability
Racheal Amwe
University of Jos
Jos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
0
0.000
Salako Adebayo Adeyinka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
0
0.000
counselling psychology/Special Education
Maryam Ali Muhammad
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
0
0.000
Education
Guidance and Counselling
Psychology
Special Education
General Education
Komolafe Adebayo Francis
University of Ibadan
Ibadan, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Adjustment of Persons with Visual Impairment
Assistive Technology and General Special Education
Stella Anyama
University of Lagos
Lagos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Women Health and family Counselling
Psychology
Special Education and Gender issues
Christopher Mtagherornyi Vandeh
University of Jos
Jos, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Hearing And Speech Rehabilitation Sciences
Oniyide Roseline Temitayo
University of Ibadan
Ibadan, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Abiola Iroko Famawode
University of Ibadan
Ibadan, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Special Education
Speech and language disorders
Bello Faisat Omolara
University of Ibadan
Ibadan, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Ifedolapo Oyewumi
University of Ibadan
Ibadan, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Morufat Mojisola Olakojo
University of Ibadan
Ibadan, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Speech development and disorder in children and adult
Social protection policies for children with speech disorder
Fiyinfoluwa Babalola
Kwara State University
Ilorin, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Samuel Nuhu Baba
Nasarawa State University
Keffi, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Theoretical Linguistics
Typology Studies
Sociolinguistics
Sociophonetics
Special Education
Abdulbaki Rabiu Abdulkadir
Bayero University
Gwarzo Road Kano, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Special Education- Learning Disabilities
Abiola Owopetu
University of Ibadan
Ibadan, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Hearing Impairment
Deaf Education
Special Education
Inclusive Education
Individualized