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Company · Falls Church · United States

Lewin Group (United States)

In research, Lewin Group (United States) stands highest in Health Sciences (#5,041 of 16,688 worldwide) and Social Sciences (#9,923 of 14,833 worldwide), over all time.

lewin.comROR OpenAlex
World rank, all time
#9,060
of 34,923
Rank in United States
#1,873
of 7,310
Research works
384
▲ 11% vs 2018-21
Citations
15k
38.6 per fractional work
Top-10% rate
11.9%
all institutions 10.0%
vs its own fields
1.22×
1.00× is exactly expected
Open access
25%
world 40%
International
14%
world 18%
Lewin Group (United States)

What is Lewin Group (United States) known for in research?

The fields where it stands highest, over all time, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorks
Health SciencesDomain #5,041 of 16,688 16.8%165
Social SciencesDomain #9,923 of 14,833 12.0%135

Each strip is that field's whole ranked pool, with the notch where Lewin Group (United States) sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no average mark, because the average differs by field (from about 6% in Dentistry to 21% in Economics).

Which fields of science does Lewin Group (United States) work in?

In 2022-now, 41% of research at Lewin Group (United States) is in Social Sciences, 37% in Health Sciences. Its largest fields are Medicine (23%), Social Sciences (15%), Health Professions (12%). It does 1.5× the world's share of Social Sciences.

Social Sciences: 16 fractional works · 41.0% of its workSocial Sciences: 6 fractional works · 14.6% of its workEducation: 2 fractional works · 4.3% of its workPolitical Science and International Relations: 2 fractional works · 4.3% of its workSociology and Political Science: 1 fractional works · 3.6% of its workSafety Research: 0 fractional works · 0.9% of its workCultural Studies: 0 fractional works · 0.9% of its workPublic Administration: 0 fractional works · 0.3% of its workUrban Studies: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.2% of its workArts and Humanities: 4 fractional works · 10.3% of its workHistory: 2 fractional works · 4.7% of its workPhilosophy: 1 fractional works · 1.7% of its workLiterature and Literary Theory: 0 fractional works · 1.3% of its workArcheology: 0 fractional works · 0.9% of its workHistory and Philosophy of Science: 0 fractional works · 0.9% of its workMuseology: 0 fractional works · 0.9% of its workEconomics, Econometrics and Finance: 2 fractional works · 6.3% of its workEconomics and Econometrics: 2 fractional works · 5.4% of its workGeneral Economics, Econometrics and Finance: 0 fractional works · 0.9% of its workBusiness, Management and Accounting: 2 fractional works · 5.1% of its workStrategy and Management: 1 fractional works · 2.7% of its workOrganizational Behavior and Human Resource Management: 0 fractional works · 1.3% of its workBusiness and International Management: 0 fractional works · 0.4% of its workAccounting: 0 fractional works · 0.2% of its workManagement Information Systems: 0 fractional works · 0.2% of its workManagement of Technology and Innovation: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.0% of its workPsychology: 2 fractional works · 4.7% of its workDevelopmental and Educational Psychology: 1 fractional works · 1.8% of its workClinical Psychology: 1 fractional works · 1.4% of its workSocial Psychology: 0 fractional works · 1.1% of its workApplied Psychology: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workHealth Sciences: 14 fractional works · 36.8% of its workMedicine: 9 fractional works · 22.9% of its workPublic Health, Environmental and Occupational Health: 2 fractional works · 4.5% of its workSurgery: 1 fractional works · 3.0% of its workOncology: 1 fractional works · 2.0% of its workCardiology and Cardiovascular Medicine: 1 fractional works · 1.6% of its workEpidemiology: 1 fractional works · 1.4% of its workEndocrinology, Diabetes and Metabolism: 0 fractional works · 1.2% of its workFamily Practice: 0 fractional works · 0.9% of its workCritical Care and Intensive Care Medicine: 0 fractional works · 0.9% of its workEmergency Medicine: 0 fractional works · 0.9% of its workHematology: 0 fractional works · 0.7% of its workPulmonary and Respiratory Medicine: 0 fractional works · 0.6% of its workPediatrics, Perinatology and Child Health: 0 fractional works · 0.6% of its workObstetrics and Gynecology: 0 fractional works · 0.5% of its workOtorhinolaryngology: 0 fractional works · 0.5% of its workGenetics: 0 fractional works · 0.4% of its workComplementary and alternative medicine: 0 fractional works · 0.4% of its workRadiology, Nuclear Medicine and Imaging: 0 fractional works · 0.4% of its workGeriatrics and Gerontology: 0 fractional works · 0.3% of its workHepatology: 0 fractional works · 0.3% of its workPathology and Forensic Medicine: 0 fractional works · 0.3% of its workPharmacology: 0 fractional works · 0.3% of its workPsychiatry and Mental health: 0 fractional works · 0.3% of its workTransplantation: 0 fractional works · 0.3% of its workPhysiology: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.7% of its workHealth Professions: 5 fractional works · 12.1% of its workGeneral Health Professions: 4 fractional works · 10.7% of its workEmergency Medical Services: 0 fractional works · 0.6% of its workPhysical Therapy, Sports Therapy and Rehabilitation: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.3% of its workNursing: 1 fractional works · 1.7% of its workIssues, ethics and legal aspects: 0 fractional works · 0.9% of its workResearch and Theory: 0 fractional works · 0.9% of its workSmaller subfields together: 0 fractional works · 0.0% of its workPhysical Sciences: 6 fractional works · 15.0% of its workEngineering: 2 fractional works · 6.3% of its workControl and Systems Engineering: 1 fractional works · 1.7% of its workIndustrial and Manufacturing Engineering: 1 fractional works · 1.5% of its workElectrical and Electronic Engineering: 0 fractional works · 1.1% of its workMechanical Engineering: 0 fractional works · 0.9% of its workCivil and Structural Engineering: 0 fractional works · 0.4% of its workComputational Mechanics: 0 fractional works · 0.4% of its workMechanics of Materials: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workComputer Science: 1 fractional works · 3.7% of its workInformation Systems: 1 fractional works · 2.1% of its workArtificial Intelligence: 1 fractional works · 1.3% of its workHuman-Computer Interaction: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.0% of its workEnvironmental Science: 1 fractional works · 2.9% of its workHealth, Toxicology and Mutagenesis: 0 fractional works · 0.9% of its workNature and Landscape Conservation: 0 fractional works · 0.9% of its workEcology: 0 fractional works · 0.6% of its workEnvironmental Engineering: 0 fractional works · 0.6% of its workSmaller subfields together: 0 fractional works · 0.0% of its workMathematics: 0 fractional works · 0.9% of its workApplied Mathematics: 0 fractional works · 0.4% of its workModeling and Simulation: 0 fractional works · 0.2% of its workStatistics and Probability: 0 fractional works · 0.2% of its workMaterials Science: 0 fractional works · 0.6% of its workMaterials Chemistry: 0 fractional works · 0.6% of its workEarth and Planetary Sciences: 0 fractional works · 0.4% of its workGeochemistry and Petrology: 0 fractional works · 0.2% of its workGeology: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.0% of its workChemistry: 0 fractional works · 0.3% of its workInorganic Chemistry: 0 fractional works · 0.3% of its workLife Sciences: 3 fractional works · 7.2% of its workAgricultural and Biological Sciences: 1 fractional works · 3.3% of its workPlant Science: 0 fractional works · 1.0% of its workGeneral Agricultural and Biological Sciences: 0 fractional works · 0.9% of its workSoil Science: 0 fractional works · 0.9% of its workEcology, Evolution, Behavior and Systematics: 0 fractional works · 0.6% of its workSmaller subfields together: 0 fractional works · 0.1% of its workBiochemistry, Genetics and Molecular Biology: 1 fractional works · 2.7% of its workGenetics: 1 fractional works · 2.0% of its workCancer Research: 0 fractional works · 0.7% of its workSmaller subfields together: 0 fractional works · 0.0% of its workNeuroscience: 0 fractional works · 0.9% of its workCognitive Neuroscience: 0 fractional works · 0.9% of its workPharmacology, Toxicology and Pharmaceutics: 0 fractional works · 0.3% of its workPharmacology: 0 fractional works · 0.3% of its workALL ITS WORKLewin Group(United States)39fractional works, 2022-now
Life Sciences7%Physical Sciences15%Health Sciences37%Social Sciences41%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in 2022-now. Every slice is a page; the interactive view zooms down to single topics and colours each by how much more of it this institution does than the world.

Its 4 domains and 19 fields, with their numbers
    1. Social Sciences614.6%
    2. Arts and Humanities410.3%
    3. Economics, Econometrics and Finance26.3%
    4. Business, Management and Accounting25.1%
    5. Psychology24.7%
    1. Medicine922.9%
    2. Health Professions512.1%
    3. Nursing11.7%
    1. Engineering26.3%
    2. Computer Science13.7%
    3. Environmental Science12.9%
    4. Mathematics00.9%
    5. Materials Science00.6%
    6. Earth and Planetary Sciences00.4%
    7. Chemistry00.3%
    1. Agricultural and Biological Sciences13.3%
    2. Biochemistry, Genetics and Molecular Biology12.7%
    3. Neuroscience00.9%
    4. Pharmacology, Toxicology and Pharmaceutics00.3%
All of science, and how each field's share has moved since 1950: the Science domain explorer

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 0.70× its world share, 1 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.51× its world share, 1 worksBiochemistry, Geneti…Neuroscience: 0.53× its world share, 0 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.81× its world share, 0 worksPharmacology, Toxico…Chemistry: 0.18× its world share, 0 worksChemistryComputer Science: 0.48× its world share, 1 worksComputer ScienceEarth and Planetary Sciences: 0.27× its world share, 0 worksEarth and Planetary …Engineering: 0.42× its world share, 2 worksEngineeringEnvironmental Science: 0.58× its world share, 1 worksEnvironmental ScienceMaterials Science: 0.16× its world share, 0 worksMaterials ScienceMathematics: 0.73× its world share, 0 worksMathematicsHealth Professions: 4.61× its world share, 5 worksHealth ProfessionsMedicine: 1.19× its world share, 9 worksMedicineNursing: 3.52× its world share, 1 worksNursingArts and Humanities: 3.58× its world share, 4 worksArts and HumanitiesBusiness, Management and Accounting: 1.58× its world share, 2 worksBusiness, Management…Economics, Econometrics and Finance: 2.93× its world share, 2 worksEconomics, Econometr…Psychology: 1.54× its world share, 2 worksPsychologySocial Sciences: 1.15× its world share, 6 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Health Professions, 4.6×. Every wedge is a field page.

All 19 fields, with their numbers
  1. Health Professions4.61×5 works
  2. Arts and Humanities3.58×4 works
  3. Nursing3.52×1 works
  4. Economics, Econometrics and Finance2.93×2 works
  5. Business, Management and Accounting1.58×2 works
  6. Psychology1.54×2 works
  7. Medicine1.19×9 works
  8. Social Sciences1.15×6 works
  9. Pharmacology, Toxicology and Pharmaceutics0.81×0 works
  10. Mathematics0.73×0 works
  11. Agricultural and Biological Sciences0.70×1 works
  12. Environmental Science0.58×1 works
  13. Neuroscience0.53×0 works
  14. Biochemistry, Genetics and Molecular Biology0.51×1 works
  15. Computer Science0.48×1 works
  16. Engineering0.42×2 works
  17. Earth and Planetary Sciences0.27×0 works
  18. Chemistry0.18×0 works
  19. Materials Science0.16×0 works

Who are the top researchers at Lewin Group (United States)?

Ranked on the quality score, Carol J. Simon, Wenya Yang and Yiduo Zhang lead among researchers whose main affiliation is Lewin Group (United States).

  1. 1 Carol J. Simon United States · #406,479 worldwide 4.5k citations · 140 works
  2. 2 Wenya Yang United States · #628,434 worldwide 3.5k citations · 55 works
  3. 3 Yiduo Zhang United States · #684,081 worldwide 1.5k citations · 26 works
  4. 4 Paul F. Hogan United States · #935,387 worldwide 2.2k citations · 34 works
  5. 5 William W. Quick United States · #1,249,331 worldwide 778 citations · 15 works
  6. 6 Inna Cintina United States · #1,529,936 worldwide 1.5k citations · 36 works
  7. 7 Jaclyn Marshall United States · #1,548,581 worldwide 884 citations · 24 works
  8. 8 Lisa Maria B. Alecxih United States · #1,552,924 worldwide 667 citations · 16 works
  9. 9 Rita Furst Seifert United States · #1,585,813 worldwide 696 citations · 19 works
  10. 10 Paul Hogan United States · #1,709,349 worldwide 1.7k citations · 38 works
All ranked researchers at Lewin Group (United States)

What are the most cited papers from Lewin Group (United States)?

The most cited paper from Lewin Group (United States) is "Economic Costs of Diabetes in the U.S. in 2002" (American Diabetes Association, 2003), with 4,165 citations. Next come "The burden of selected digestive diseases in the United States" (1,527) and "Economic Costs of Excessive Alcohol Consumption in the U.S., 2006" (1,051).

Most cited papers
#PaperReleasedCitations
1 Economic Costs of Diabetes in the U.S. in 2002 American Diabetes Association · Diabetes Care Mar 2003 4,165
2 The burden of selected digestive diseases in the United States Robert S. Sandler, James E. Everhart, Mark Donowitz et al. · Gastroenterology Open access May 2002 1,527
3 Economic Costs of Excessive Alcohol Consumption in the U.S., 2006 Ellen Bouchery, Henrick J. Harwood, Jeffrey J. Sacks et al. · American Journal of Preventive Medicine Open access 18 Oct 2011 1,051
4 Economic Costs of Diabetes in the U.S. in 2022 Emily D. Parker, Janice Chien-Ho Lin, Troy Mahoney et al. · Diabetes Care Nov 2023 800
5 The burden of skin diseases: 2004 David R. Bickers, Henry W. Lim, David J Margolis et al. · Journal of the American Academy of Dermatology 13 Aug 2006 743
All 60 most cited papers, with filters and sorting

Which keywords describe research at Lewin Group (United States)?

By fractional works in 2022-now, weighted toward what it does more of than the world: Innovation, Literature, Digitalization, Primary Care, Surgery, History, Epidemiology and Leadership.

▲ more of its work than of the world's◆ about the world's share▼ less than the world's

Size is fractional works in 2022-now in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 27 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 27 words, with their numbers
  1. Epidemiology3▲ 1.77×18 topics
  2. Innovation2▲ 5.9×7 topics
  3. Literature2▲ 8.7×5 topics
  4. Cardiovascular Disease2▲ 3.8×7 topics
  5. Artificial Intelligence2▲ 2.9×10 topics
  6. Digitalization2▲ 20×3 topics
  7. Primary Care2▲ 11×6 topics
  8. History2▲ 5.6×5 topics
  9. Depression1▲ 4.1×7 topics
  10. Leadership1▲ 6.9×2 topics
  11. Surgery1▲ 9.7×3 topics
  12. Gender1▲ 6.0×4 topics
  13. Globalization1▲ 1.51×4 topics
  14. Governance1▲ 9.2×1 topic
  15. Mental Health1▲ 2.2×3 topics
  16. Participation1▲ 32×1 topic
  17. Virtual Reality1▲ 6.3×4 topics
  18. Health Outcomes1▲ 11×2 topics
  19. Public Health1▲ 2.0×5 topics
  20. Quality of Life1▲ 1.98×10 topics
  21. Sustainable Development1▲ 1.79×4 topics
  22. Blood Transfusion1▲ 58×1 topic
  23. Education1▲ 1.54×5 topics
  24. Interventions1▲ 21×2 topics
  25. Job Satisfaction1▲ 5.9×2 topics
  26. Labor Market1▲ 9.2×3 topics
  27. Obstetrics1▲ 314×1 topic

Which research topics does Lewin Group (United States) publish most on?

By volume in 2022-now: Public Administration and Political Analysis, Medical History and Innovations, Employment and Welfare Studies and Workplace Health and Well-being.

Public Administration and Political Analysis: 1 fractional worksMedical History and Innovations: 1 fractional worksEmployment and Welfare S…1Employment and Welfare Studies: 1 fractional worksWorkplace Health and Wel…1Workplace Health and Well-being: 1 fractional worksHealthcare professionals’ stress and burnout: 1 fractional worksHealthcare Policy and Management: 0 fractional worksHealth and Medical Resea…0Health and Medical Research Impacts: 0 fractional worksHealth Sciences Research and Education: 0 fractional worksHealthcare Systems and Technology: 0 fractional worksGerman legal, social, an…0German legal, social, and political studies: 0 fractional works
Political Science and International RelationsHistoryGeneral Health ProfessionsEconomics and Econometrics3 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Public Administration and Political Analysis Political Science and International Relations 1 works
  2. 2 Medical History and Innovations History 1 works
  3. 3 Employment and Welfare Studies General Health Professions 1 works
  4. 4 Workplace Health and Well-being General Health Professions 1 works
  5. 5 Healthcare professionals’ stress and burnout General Health Professions 1 works
  6. 6 Healthcare Policy and Management Economics and Econometrics 0 works
  7. 7 Health and Medical Research Impacts Public Health, Environmental and Occupational Health 0 works
  8. 8 Health Sciences Research and Education General Health Professions 0 works
  9. 9 Healthcare Systems and Technology Organizational Behavior and Human Resource Management 0 works
  10. 10 German legal, social, and political studies Sociology and Political Science 0 works

How open and international is its research?

Against the world's own shares: the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available25.2%not open74.8%

World: 40% of research is openly available.

with international co-authors14.5%domestic only85.5%

World: 18% is written across borders.

How has Lewin Group (United States)'s research output changed?

Output in 2022-2025 was 11% higher than in 2018-2021.

still counting1990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Lewin Group (United States) as a percentage of every work published that year, 0.000099% in 2024.

still counting0.0010%0.0020%0.0030%Lewin Group (United States)0.00013% in 202519801990200020102020

Fractional works of Lewin Group (United States) over all fractional works that year. How the balance of science has shifted.

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Lewin Group (United States) on Science Explorer

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