The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 211 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 5 years. As of Jan 04, 2026, the rankings are determined according to the Total H Index. BETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (0) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].
Rankings
Facilities design | Supply chain | Scheduling | Transportation | Meta-heuristics
H-Index Metrics
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H-Index92
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i10 Index610
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Citation Counts34,161
Rankings
Rankings
Policy Analysis | Health Systems | Health Financing | Quality Improvement | Provider Behavior Chang
H-Index Metrics
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H-Index70
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i10 Index299
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Citation Counts26,606
Rankings
Rankings
Social Epidemiology | Psychometric Evaluation | Quality of Life | Life Styl
H-Index Metrics
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H-Index55
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i10 Index252
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Citation Counts10,915
Rankings
Applied Linguistics | Positive Psychology | Individual Differences | Educational Psycholog
H-Index Metrics
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H-Index54
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i10 Index127
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Citation Counts11,790
Rankings
Clinical Psychology | Health Psychology | Sport Psychology | Couple Therapy | Sex Therap
H-Index Metrics
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H-Index54
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i10 Index267
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Citation Counts11,958
Rankings
Rankings
TEFL | Applied Linguistics | CALL | Language Learning and Technology | Educational Psycholog
H-Index Metrics
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H-Index51
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i10 Index124
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Citation Counts7,000
Rankings
Rankings
Psychosomatic medicine | Psychocardiology | Psychological stress | Stress management skills | tobacco contro
H-Index Metrics
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H-Index46
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i10 Index187
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Citation Counts8,244
Rankings
Pavement Engineering | Bituminous Materials | Asphalt Technology | Pavement Management System and Transportation Engineerin
H-Index Metrics
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H-Index44
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i10 Index127
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Citation Counts6,888
Rankings
Rankings
Rankings
English syntax | Discourse Analysis | Critical Discourse Analysi
H-Index Metrics
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H-Index38
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i10 Index129
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Citation Counts7,005
Rankings
ELT | Psychology of Language Learning/Teaching | Teacher Education | English Language Educatio
H-Index Metrics
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H-Index38
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i10 Index81
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Citation Counts5,222
Rankings
Rankings
Rankings
social determinants of health | public health | social rehabilitation | social epidemiolog
H-Index Metrics
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H-Index37
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i10 Index93
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Citation Counts3,822
Rankings
Psychometrics | Health-related Quality of Life | Non-communicable diseasse | Stractural Equation Mode
H-Index Metrics
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H-Index36
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i10 Index63
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Citation Counts47,920
Rankings
SDH | Health policy | Health Economic | Policy & Economic Evaluatio
H-Index Metrics
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H-Index36
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i10 Index70
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Citation Counts58,331
Rankings
Rankings
Rankings
Environmental Engineering | Transportation Engineering | Air pollution | Water resource managemen
H-Index Metrics
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H-Index35
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i10 Index101
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Citation Counts5,131
Rankings
applied linguistics | second language acquisition | individual differences | research methodolog
H-Index Metrics
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H-Index34
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i10 Index49
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Citation Counts4,539
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