Science Explorer Back to mapMap
Discussion
Nonprofit · Iowa City · United States

ACT

actinternationalservices.com/enROR OpenAlex
World rank, all time
#28,800
of 34,923
Rank in United States
#6,063
of 7,310
Research works
178
▼ 78% vs 2018-21
Citations
5.9k
33.1 per fractional work
Top-10% rate
9.0%
all institutions 10.0%
vs its own fields
1.03×
1.00× is exactly expected
Open access
26%
world 40%
International
18%
world 18%
ACT

Which fields of science does ACT work in?

In all years, 52% of research at ACT is in Social Sciences, 40% in Physical Sciences. Its largest fields are Computer Science (22%), Psychology (18%), Social Sciences (17%). It does 2.4× the world's share of Social Sciences.

Social Sciences: 93 fractional works · 52.2% of its workPsychology: 33 fractional works · 18.4% of its workExperimental and Cognitive Psychology: 9 fractional works · 5.2% of its workDevelopmental and Educational Psychology: 9 fractional works · 4.9% of its workSocial Psychology: 8 fractional works · 4.6% of its workClinical Psychology: 4 fractional works · 2.5% of its workApplied Psychology: 2 fractional works · 1.1% of its workSocial Sciences: 30 fractional works · 17.0% of its workEducation: 19 fractional works · 10.5% of its workSafety Research: 4 fractional works · 2.3% of its workSociology and Political Science: 3 fractional works · 1.6% of its workDemography: 1 fractional works · 0.8% of its workGeneral Social Sciences: 1 fractional works · 0.7% of its workGender Studies: 1 fractional works · 0.3% of its workHealth: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.6% of its workDecision Sciences: 21 fractional works · 11.6% of its workManagement Science and Operations Research: 16 fractional works · 9.3% of its workStatistics, Probability and Uncertainty: 3 fractional works · 1.6% of its workInformation Systems and Management: 1 fractional works · 0.6% of its workSmaller subfields together: 0 fractional works · 0.2% of its workEconomics, Econometrics and Finance: 5 fractional works · 2.9% of its workEconomics and Econometrics: 3 fractional works · 1.7% of its workFinance: 2 fractional works · 1.2% of its workBusiness, Management and Accounting: 3 fractional works · 1.7% of its workOrganizational Behavior and Human Resource Management: 2 fractional works · 0.9% of its workManagement of Technology and Innovation: 0 fractional works · 0.3% of its workMarketing: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workArts and Humanities: 1 fractional works · 0.7% of its workLiterature and Literary Theory: 1 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.3% of its workPhysical Sciences: 71 fractional works · 40.1% of its workComputer Science: 39 fractional works · 22.1% of its workArtificial Intelligence: 18 fractional works · 10.0% of its workInformation Systems: 6 fractional works · 3.5% of its workComputer Science Applications: 5 fractional works · 2.8% of its workComputer Networks and Communications: 4 fractional works · 2.5% of its workComputer Vision and Pattern Recognition: 2 fractional works · 0.9% of its workComputational Theory and Mathematics: 2 fractional works · 0.8% of its workSignal Processing: 1 fractional works · 0.5% of its workSoftware: 1 fractional works · 0.4% of its workHardware and Architecture: 1 fractional works · 0.4% of its workHuman-Computer Interaction: 0 fractional works · 0.2% of its workMathematics: 24 fractional works · 13.5% of its workStatistics and Probability: 21 fractional works · 11.5% of its workApplied Mathematics: 1 fractional works · 0.7% of its workModeling and Simulation: 1 fractional works · 0.4% of its workGeometry and Topology: 0 fractional works · 0.3% of its workMathematical Physics: 0 fractional works · 0.2% of its workTheoretical Computer Science: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workEnvironmental Science: 4 fractional works · 2.2% of its workGlobal and Planetary Change: 1 fractional works · 0.5% of its workEnvironmental Engineering: 1 fractional works · 0.5% of its workWater Science and Technology: 0 fractional works · 0.3% of its workEcology: 0 fractional works · 0.2% of its workEnvironmental Chemistry: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.5% of its workEngineering: 3 fractional works · 1.6% of its workControl and Systems Engineering: 1 fractional works · 0.8% of its workComputational Mechanics: 1 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.5% of its workPhysics and Astronomy: 1 fractional works · 0.5% of its workStatistical and Nonlinear Physics: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workEarth and Planetary Sciences: 0 fractional works · 0.1% of its workChemistry: 0 fractional works · 0.1% of its workMaterials Science: 0 fractional works · 0.1% of its workHealth Sciences: 8 fractional works · 4.4% of its workMedicine: 7 fractional works · 3.8% of its workPublic Health, Environmental and Occupational Health: 3 fractional works · 1.4% of its workPhysiology: 1 fractional works · 0.7% of its workEpidemiology: 1 fractional works · 0.4% of its workSurgery: 1 fractional works · 0.4% of its workGenetics: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.7% of its workHealth Professions: 1 fractional works · 0.6% of its workGeneral Health Professions: 1 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.1% of its workLife Sciences: 6 fractional works · 3.3% of its workBiochemistry, Genetics and Molecular Biology: 3 fractional works · 1.6% of its workGenetics: 1 fractional works · 0.8% of its workMolecular Biology: 1 fractional works · 0.7% of its workSmaller subfields together: 0 fractional works · 0.1% of its workNeuroscience: 2 fractional works · 1.0% of its workCognitive Neuroscience: 2 fractional works · 1.0% of its workAgricultural and Biological Sciences: 1 fractional works · 0.6% of its workGeneral Agricultural and Biological Sciences: 0 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.3% of its workImmunology and Microbiology: 0 fractional works · 0.1% of its workALL ITS WORKACT178fractional works, all years
Life Sciences3%Physical Sciences40%Health Sciences4%Social Sciences52%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in all years. 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 20 fields, with their numbers
    1. Psychology3318.4%
    2. Social Sciences3017.0%
    3. Decision Sciences2111.6%
    4. Economics, Econometrics and Finance52.9%
    5. Business, Management and Accounting31.7%
    6. Arts and Humanities10.7%
    1. Computer Science3922.1%
    2. Mathematics2413.5%
    3. Environmental Science42.2%
    4. Engineering31.6%
    5. Physics and Astronomy10.5%
    6. Earth and Planetary Sciences00.1%
    7. Chemistry00.1%
    8. Materials Science00.1%
    1. Medicine73.8%
    2. Health Professions10.6%
    1. Biochemistry, Genetics and Molecular Biology31.6%
    2. Neuroscience21.0%
    3. Agricultural and Biological Sciences10.6%
    4. Immunology and Microbiology00.1%
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.

Immunology and Microbiology: 1.21× its world share, 0 worksImmunology and Micro…Neuroscience: 1.50× its world share, 0 worksNeuroscienceComputer Science: 2.59× its world share, 3 worksComputer ScienceEngineering: 0.05× its world share, 0 worksEngineeringEnvironmental Science: 0.49× its world share, 0 worksEnvironmental ScienceMathematics: 5.44× its world share, 1 worksMathematicsMedicine: 0.34× its world share, 1 worksMedicineBusiness, Management and Accounting: 0.19× its world share, 0 worksBusiness, Management…Decision Sciences: 10.25× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 2.84× its world share, 1 worksEconomics, Econometr…Psychology: 9.13× its world share, 4 worksPsychologySocial Sciences: 1.23× its world share, 2 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Decision Sciences, 10.2×. Every wedge is a field page.

All 12 fields, with their numbers
  1. Decision Sciences10.25×1 works
  2. Psychology9.13×4 works
  3. Mathematics5.44×1 works
  4. Economics, Econometrics and Finance2.84×1 works
  5. Computer Science2.59×3 works
  6. Neuroscience1.50×0 works
  7. Social Sciences1.23×2 works
  8. Immunology and Microbiology1.21×0 works
  9. Environmental Science0.49×0 works
  10. Medicine0.34×1 works
  11. Business, Management and Accounting0.19×0 works
  12. Engineering0.05×0 works

Who are the top researchers at ACT?

Ranked on the quality score, Dana M. Murano, Alex Casillas and Jason D. Way lead among researchers whose main affiliation is ACT.

  1. 1 Dana M. Murano United States · #390,768 worldwide 626 citations · 27 works
  2. 2 Alex Casillas United States · #703,207 worldwide 2.5k citations · 69 works
  3. 3 Jason D. Way United States · #1,719,373 worldwide 613 citations · 39 works
  4. 4 Kristin Stoeffler United States · #1,849,195 worldwide 206 citations · 17 works
  5. 5 Benjamin Deonovic United States · #2,340,987 worldwide 408 citations · 25 works
  6. 6 Becky L. Bobek United States · #2,827,966 worldwide 400 citations · 17 works
  7. 7 Judith A. Spray United States · #3,043,683 worldwide 1.2k citations · 73 works
  8. 8 John C. Kalohn United States · #3,406,501 worldwide 351 citations · 21 works
  9. 9 Raeal Moore United States · #5,009,855 worldwide 174 citations · 48 works
All ranked researchers at ACT

What are the most cited papers from ACT?

The most cited paper from ACT is "Do Psychosocial and Study Skill Factors Predict College Outcomes? A Meta-Analysis." (Steven B. Robbins, Kristy J. Lauver, Huy Le et al., 2004), with 2,490 citations. Next come "On the Time Value of Ruin" (799) and "Estimating equations for association structures" (537).

Most cited papers
#PaperReleasedCitations
1 Do Psychosocial and Study Skill Factors Predict College Outcomes? A Meta-Analysis. Steven B. Robbins, Kristy J. Lauver, Huy Le et al. · Psychological Bulletin Review 2004 2,490
2 On the Time Value of Ruin Hans U. Gerber, Elias S. W. Shiu · North American Actuarial Journal 1998 799
3 Estimating equations for association structures Jun Yan, Jason P. Fine · Statistics in Medicine 3 Mar 2004 537
4 Asymptotic properties of bridge estimators in sparse high-dimensional regression models Jian Huang, Joël L. Horowitz, Shuangge Ma · The Annals of Statistics Open access 25 Mar 2008 512
5 Third-year College Retention and Transfer: Effects of Academic Performance, Motivation, and Social Connectedness Jeff Allen, Steven B. Robbins, Alex Casillas et al. · Research in Higher Education 11 Apr 2008 436
All 61 most cited papers, with filters and sorting

Which keywords describe research at ACT?

By fractional works in all years, weighted toward what it does more of than the world: Structural Equation Modeling, Student Engagement, Factor Analysis, Measurement Invariance, Educational Inequality, Academic Achievement, Academic Performance and Motivation.

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

Size is fractional works in all years 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. Structural Equation Modeling17▲ 69×4 topics
  2. Student Engagement17▲ 36×8 topics
  3. Factor Analysis12▲ 593×1 topic
  4. Measurement Invariance12▲ 593×1 topic
  5. Educational Inequality10▲ 90×2 topics
  6. Academic Achievement9▲ 36×6 topics
  7. Machine Learning9▲ 2.3×18 topics
  8. Academic Performance8▲ 66×3 topics
  9. Intelligent Tutoring Systems8▲ 85×2 topics
  10. Motivation8▲ 15×4 topics
  11. Self-Regulation7▲ 25×4 topics
  12. Bayesian Methods7▲ 66×2 topics
  13. Diversity7▲ 21×2 topics
  14. Educational Technology7▲ 5.7×8 topics
  15. Bayesian Networks7▲ 43×3 topics
  16. Affective States6▲ 186×1 topic
  17. Cognitive-Affective Interaction6▲ 186×1 topic
  18. Social Support6▲ 7.7×4 topics
  19. Collaborative Learning6▲ 51×2 topics
  20. Socioeconomic Status6▲ 47×2 topics
  21. Meta-Analysis6▲ 6.2×6 topics
  22. College Retention6▲ 156×1 topic
  23. First-Generation Students6▲ 156×1 topic
  24. Online Learning6▲ 7.0×6 topics
  25. Statistical Methods6▲ 72×3 topics
  26. Gender Differences6▲ 9.8×3 topics
  27. STEM Education5▲ 11×5 topics
  28. Student Achievement5▲ 34×3 topics
  29. Model Selection5▲ 24×3 topics
  30. Personality Traits5▲ 23×5 topics
  31. Regression Analysis5▲ 49×3 topics
  32. Learning Outcomes5▲ 12×6 topics
  33. Sensitivity Analysis5▲ 22×3 topics
  34. Learning Analytics5▲ 39×2 topics
  35. Metacognition5▲ 22×3 topics
  36. Principal Component Analysis5▲ 18×2 topics
  37. Survival Analysis5▲ 9.7×2 topics
  38. Variable Selection5▲ 28×2 topics
  39. Career Development5▲ 29×4 topics
  40. Lasso5▲ 74×1 topic

Which research topics does ACT publish most on?

By volume in 2022-now: Emotional Intelligence and Performance, Psychometric Methodologies and Testing, Personality Traits and Psychology and Education, Achievement, and Giftedness.

Emotional Intelligence and Performance: 1 fractional worksPsychometric Methodologies and Testing: 1 fractional worksPersonality Traits and P…1Personality Traits and Psychology: 1 fractional worksEducation, Achievement, …1Education, Achievement, and Giftedness: 1 fractional worksEarly Childhood Education and Development: 0 fractional worksMedical Education and Admissions: 0 fractional worksNatural Language Process…0Natural Language Processing Techniques: 0 fractional worksTopic Modeling0Topic Modeling: 0 fractional worksSocial and Intergroup Psychology: 0 fractional worksReliability and Agreement in Measurement: 0 fractional works
Social PsychologyManagement Science and Operations ResearchClinical PsychologyExperimental and Cognitive Psychology5 others

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

  1. 1 Emotional Intelligence and Performance Social Psychology 1 works
  2. 2 Psychometric Methodologies and Testing Management Science and Operations Research 1 works
  3. 3 Personality Traits and Psychology Clinical Psychology 1 works
  4. 4 Education, Achievement, and Giftedness Experimental and Cognitive Psychology 1 works
  5. 5 Early Childhood Education and Development Education 0 works
  6. 6 Medical Education and Admissions Public Health, Environmental and Occupational Health 0 works
  7. 7 Natural Language Processing Techniques Artificial Intelligence 0 works
  8. 8 Topic Modeling Artificial Intelligence 0 works
  9. 9 Social and Intergroup Psychology Sociology and Political Science 0 works
  10. 10 Reliability and Agreement in Measurement Statistics, Probability and Uncertainty 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 available25.8%not open74.2%

World: 40% of research is openly available.

with international co-authors18.1%domestic only81.9%

World: 18% is written across borders.

How has ACT's research output changed?

Output in 2022-2025 was 78% lower 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 ACT as a percentage of every work published that year, 0.000067% in 2024.

still counting0.00025%0.00050%0.00075%ACT0.000061% in 20251990200020102020

Fractional works of ACT over all fractional works that year. How the balance of science has shifted.

Other research institutions in Iowa City

All research institutions in Iowa City

Share ACT's ranking

ACT on Science Explorer

A card with ACT's standing and the fields it leads in, for a post or a slide. A link to this page previews as the same card.

Download the card

1200 × 630 PNG, sized for social posts, drawn from the latest snapshot.

Badges for a website1Each links back here and updates with every snapshot

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners have tabs of their own, above.

Discussion

Ask a question or share a note about ACT. Posts are plain text and can be reported.