Aaron James Kaat

  • 307 Citations
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Personal profile

Research Interests

Dr. Kaat received his Ph.D. in Psychology - Intellectual and Developmental Disorders and a secondary graduate concentration in quantitative psychology from the Ohio State University. After that, he joined the research faculty at FSM to develop and validate self- and parent-report measures and direct assessments.

Dr. Kaat is a Research Assistant Professor in the Department of Medical Social Sciences at Northwestern University. He has a strong background in psychometrics and child development—in particular intellectual, and developmental disorders (I/DD). His research program relates to measure development, adaptation, and validation in special populations using psychometrics and latent variable models. He is particularly interested in multiple-group item response theory (IRT), where the special populations may have a different distributional form than in the reference—i.e., general—population. At Northwestern, Dr. Kaat has emphasized psychometrics related to the instruments within the HealthMeasures suite (i.e. the NIH Toolbox, PROMIS, PROMIS Pediatric, Neuro-QoL, and ASCQ-Me).

Education/Academic qualification

PhD, Ohio State University

… → 2014

Research interests

  • Autism Spectrum Disorders
  • Developmental Psychopathology
  • Patient-Reported Outcomes
  • Psychology
  • Psychometrics
  • Quality of Life

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Grants 2014 2023

SP0046767 Data Stats Core

Condon, D. M., Gershon, R., Kaat, A. J. & Schalet, B. D.

National Institute on Aging


Project: Research project

Research Personnel

Research Output 2013 2020

Translation, cross-cultural and construct validity of the Dutch–Flemish PROMIS® upper extremity item bank v2.0

Haan, E. J. A., Terwee, C. B., Van Wier, M. F., Willigenburg, N. W., Van Deurzen, D. F. P., Pisters, M. F., Kaat, A. J. & Roorda, L. D., Jan 1 2020, (Accepted/In press) In : Quality of Life Research.

Research output: Contribution to journalArticle

Upper Extremity
Logistic Models
Cross-Cultural Comparison
1 Citation (Scopus)

AO patient outcomes center: Design, implementation, and evaluation of a software application for the collection of patient-reported outcome measures in orthopedic outpatient clinics

Rothrock, N. E., Bass, M., Blumenthal, A., Gershon, R., Hanson, B., Joeris, A., Kaat, A. J., Morrison, S., O'Toole, R. V., Patel, S., Stover, M. D., Weaver, M. J., White, R., Diaz, M. V. & Vrahas, M. S., Apr 1 2019, In : Journal of medical Internet research. 21, 4, e10880.

Research output: Contribution to journalArticle

Ambulatory Care Facilities
Information Systems
Computer Systems
1 Citation (Scopus)

Beyond pass-fail: Examining the potential utility of two thresholds in the autism screening process

Roberts, M. Y., Stern, Y., Hampton, L. H., Grauzer, J. M., Miller, A., Levin, A., Kornfeld, B., Davis, M. M., Kaat, A. & Estabrook, R., Jan 2019, In : Autism Research. 12, 1, p. 112-122 11 p.

Research output: Contribution to journalArticle

Autistic Disorder
Early Diagnosis
Research Design
Logistic Models
6 Citations (Scopus)
Mental Disorders
Mental Health
Primary Health Care
Delivery of Health Care
6 Citations (Scopus)
Child Behavior
Information Storage and Retrieval
Problem Behavior