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University · Fullerton · United States

Marshall B. Ketchum University

In research, Marshall B. Ketchum University stands highest in Medicine (#10,804 of 17,978 worldwide) and Health Sciences (#13,571 of 20,462 worldwide), over all time.

ketchum.eduROR OpenAlex
World rank, 2022–2025
#22,094
of 28,054 · #25,921 all time
Rank in United States
#3,268
of 4,192
Research works
668
▲ 33% vs 2013–17
Citations
9.5k
14.2 per fractional work
Top-10% rate
15.7%
record average 16.5%
Open access
16%
world 28%

What is Marshall B. Ketchum University 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
MedicineField #10,804 of 17,978 6.8%391
Health SciencesDomain #13,571 of 20,462 7.0%412

Each strip is that field’s whole ranked pool, with the notch where Marshall B. Ketchum University 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 world mark, because the world rate differs by field (from about 6% to 21% in this record).

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: 0.02× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.15× its world share, 4 worksBiochemistry, Geneti…Immunology and Microbiology: 1.02× its world share, 1 worksImmunology and Micro…Neuroscience: 4.59× its world share, 5 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 1.12× its world share, 0 worksPharmacology, Toxico…Chemical Engineering: 0.38× its world share, 0 worksChemical EngineeringChemistry: 0.98× its world share, 1 worksChemistryComputer Science: 0.32× its world share, 2 worksComputer ScienceEngineering: 0.07× its world share, 1 worksEngineeringEnvironmental Science: 0.11× its world share, 0 worksEnvironmental ScienceMaterials Science: 0.33× its world share, 1 worksMaterials SciencePhysics and Astronomy: 0.16× its world share, 0 worksPhysics and AstronomyDentistry: 0.27× its world share, 0 worksDentistryHealth Professions: 1.60× its world share, 3 worksHealth ProfessionsMedicine: 3.19× its world share, 39 worksMedicineNursing: 3.54× its world share, 1 worksNursingArts and Humanities: 0.23× its world share, 0 worksArts and HumanitiesBusiness, Management and Accounting: 0.50× its world share, 1 worksBusiness, Management…Decision Sciences: 0.18× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.46× its world share, 1 worksEconomics, Econometr…Psychology: 0.76× its world share, 2 worksPsychologySocial Sciences: 0.35× its world share, 3 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

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

Who are the top researchers at Marshall B. Ketchum University?

Ranked on the composite score, Susan A. Cotter, Eric Borsting and John R. Griffin lead among researchers whose main affiliation is Marshall B. Ketchum University.

  1. 1 Susan A. Cotter United States · #41,852 worldwide 345 citations · 40 works
  2. 2 Eric Borsting United States · #482,357 worldwide 39 citations · 21 works
  3. 3 John R. Griffin United States · #486,667 worldwide 77 citations · 17 works
  4. 4 John C. Townsend United States · #968,861 worldwide 29 citations · 27 works
  5. 5 Timothy B. Edrington United States · #981,993 worldwide 20 citations · 15 works
  6. 6 Jerry R. Paugh United States · #1,027,435 worldwide 19 citations · 16 works
All ranked researchers at Marshall B. Ketchum University

Which keywords describe research at Marshall B. Ketchum University?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Epidemiology, Myopia, Refractive Error, Visual Impairment, Dry Eye Disease, Ocular Surface, Intraocular Pressure and Glaucoma.

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

Size is fractional works in 2022–2025 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 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Epidemiology13▲ 5.1×16 topics
  2. Myopia6▲ 174×2 topics
  3. Refractive Error6▲ 267×1 topic
  4. Visual Impairment6▲ 212×1 topic
  5. Dry Eye Disease4▲ 180×1 topic
  6. Ocular Surface4▲ 180×1 topic
  7. Intraocular Pressure4▲ 65×2 topics
  8. Glaucoma3▲ 30×3 topics
  9. Optical Coherence Tomography3▲ 40×2 topics
  10. Inflammation2▲ 1.94×12 topics
  11. Virtual Reality2▲ 8.0×3 topics
  12. Faculty Development2▲ 48×2 topics
  13. Assessment Methods2▲ 30×2 topics
  14. Competency-Based Education2▲ 35×1 topic
  15. Neural Processing2▲ 50×1 topic
  16. Optic Nerve2▲ 32×2 topics
  17. Professional Identity Formation2▲ 51×1 topic
  18. Visual Perception2▲ 129×1 topic
  19. Neurodegeneration2▲ 10×3 topics
  20. Corneal Biomechanics2▲ 86×1 topic
  21. Keratoconus2▲ 86×1 topic
  22. Primary Care2▲ 7.5×7 topics
  23. Risk Factors2▲ 2.7×2 topics
  24. Telemedicine2▲ 21×3 topics
  25. Ocular Hypertension2▲ 52×1 topic
  26. Retinal Ganglion Cells2▲ 24×1 topic
  27. Clinical Skills2▲ 101×2 topics
  28. Curriculum2▲ 27×2 topics
  29. Simulation2▲ 9.7×2 topics
  30. Tissue Engineering2▲ 3.8×5 topics
  31. Cancer Therapy1▲ 3.9×7 topics
  32. Macular Degeneration1▲ 18×3 topics
  33. Medical Students1▲ 198×1 topic
  34. Ophthalmoscopy1▲ 198×1 topic
  35. Functional Recovery1▲ 14×3 topics
  36. Rehabilitation1▲ 5.2×3 topics
  37. Corneal Regeneration1▲ 70×1 topic
  38. Limbal Stem Cells1▲ 70×1 topic
  39. Stem Cell Therapy1▲ 21×2 topics
  40. Lifelong Learning1▲ 8.1×2 topics

Which research topics does Marshall B. Ketchum University publish most on?

By volume in 2022–2025: Ophthalmology and Visual Impairment Studies, Ocular Surface and Contact Lens, Innovations in Medical Education and Visual perception and processing mechanisms.

Ophthalmology and Visual…6Ophthalmology and Visual Impairment Studies: 6 fractional worksOcular Surface and Conta…4Ocular Surface and Contact Lens: 4 fractional worksInnovations in Medical E…2Innovations in Medical Education: 2 fractional worksVisual perception and processing mechanisms: 2 fractional worksCorneal surgery and disorders: 2 fractional worksGlaucoma and retinal dis…2Glaucoma and retinal disorders: 2 fractional worksOphthalmology and Visual Health Research: 1 fractional worksCorneal Surgery and Treatments: 1 fractional worksEducation and Learning Interventions: 1 fractional worksSpatial Neglect and Hemispheric Dysfunction: 1 fractional works
EpidemiologyPublic Health, Environmental and Occupational HealthCognitive NeuroscienceRadiology, Nuclear Medicine and Imaging2 others

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

  1. 1 Ophthalmology and Visual Impairment Studies Epidemiology 6 works
  2. 2 Ocular Surface and Contact Lens Public Health, Environmental and Occupational Health 4 works
  3. 3 Innovations in Medical Education Public Health, Environmental and Occupational Health 2 works
  4. 4 Visual perception and processing mechanisms Cognitive Neuroscience 2 works
  5. 5 Corneal surgery and disorders Radiology, Nuclear Medicine and Imaging 2 works
  6. 6 Glaucoma and retinal disorders Ophthalmology 2 works
  7. 7 Ophthalmology and Visual Health Research Ophthalmology 1 works
  8. 8 Corneal Surgery and Treatments Radiology, Nuclear Medicine and Imaging 1 works
  9. 9 Education and Learning Interventions Information Systems 1 works
  10. 10 Spatial Neglect and Hemispheric Dysfunction Cognitive Neuroscience 1 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 available16.3%not open83.7%

World: 28% of research is openly available.

with international co-authors10.4%domestic only89.6%

World: 19% is written across borders.

How has Marshall B. Ketchum University's research output changed?

Output in 2018–2022 was 33% higher than in 2013–2017.

1990200020102020
grewheldshrank

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

Other research institutions in Fullerton

All research institutions in Fullerton

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.