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D-Index & Metrics

Psychology

D-Index
88
Citations
53714
World Ranking
1013
National Ranking
632

Keith F. Widaman publication distribution in Psychology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Psychology in 2026. The highlighted bar marks where Keith F. Widaman sits on this spectrum.

31–40 publications: 6 scientists 41–50 publications: 52 scientists 51–60 publications: 138 scientists 61–70 publications: 299 scientists 71–80 publications: 461 scientists 81–90 publications: 605 scientists 91–100 publications: 713 scientists 101–110 publications: 736 scientists 111–120 publications: 686 scientists 121–130 publications: 670 scientists 131–140 publications: 644 scientists 141–150 publications: 597 scientists 151–160 publications: 576 scientists 161–170 publications: 477 scientists 171–180 publications: 450 scientists 181–190 publications: 397 scientists 191–200 publications: 343 scientists 201–210 publications: 328 scientists 211–220 publications: 313 scientists 221–230 publications: 283 scientists 231–240 publications: 226 scientists 241–250 publications: 196 scientists 251–260 publications: 201 scientists 261–270 publications: 171 scientists 271–280 publications: 151 scientists 281–290 publications: 139 scientists 291–300 publications: 113 scientists 301–310 publications: 102 scientists 311–320 publications: 100 scientists 321–330 publications: 76 scientists 331–340 publications: 92 scientists 341–350 publications: 85 scientists 351–360 publications: 69 scientists 361–370 publications: 71 scientists 371–380 publications: 63 scientists 381–390 publications: 58 scientists 391–400 publications: 57 scientists 401–410 publications: 43 scientists 411–420 publications: 33 scientists 421–430 publications: 50 scientists 431–440 publications: 41 scientists 441–450 publications: 32 scientists 451–460 publications: 27 scientists 461–470 publications: 28 scientists 471–480 publications: 25 scientists 481–490 publications: 28 scientists 491–500 publications: 20 scientists 501–510 publications: 23 scientists 511–520 publications: 26 scientists 521–530 publications: 17 scientists 531–540 publications: 21 scientists 541–550 publications: 14 scientists 551–560 publications: 16 scientists 561–570 publications: 10 scientists 571–580 publications: 22 scientists 581–590 publications: 9 scientists 591–600 publications: 14 scientists 601–610 publications: 9 scientists 611–620 publications: 11 scientists 621–630 publications: 4 scientists 631–640 publications: 7 scientists 641–650 publications: 5 scientists 651–660 publications: 10 scientists 661–670 publications: 8 scientists 671–680 publications: 8 scientists 681–690 publications: 4 scientists 691–700 publications: 3 scientists 701–704 publications: 4 scientists 705+ publications: 100 scientists
31 publications 705+

This scientist: 288 publications — 86th percentile

86% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 705 publications or more.

Keith F. Widaman D-index placement in Psychology in 2026

The chart shows the D-index (discipline H-index) distribution of Psychology scientists ranked by Research.com in 2026. The highlighted bar marks where Keith F. Widaman sits on this spectrum.

30–31 D-Index: 398 scientists 32–33 D-Index: 702 scientists 34–35 D-Index: 671 scientists 36–37 D-Index: 659 scientists 38–39 D-Index: 641 scientists 40–41 D-Index: 671 scientists 42–43 D-Index: 617 scientists 44–45 D-Index: 558 scientists 46–47 D-Index: 495 scientists 48–49 D-Index: 487 scientists 50–51 D-Index: 445 scientists 52–53 D-Index: 390 scientists 54–55 D-Index: 408 scientists 56–57 D-Index: 345 scientists 58–59 D-Index: 325 scientists 60–61 D-Index: 321 scientists 62–63 D-Index: 248 scientists 64–65 D-Index: 290 scientists 66–67 D-Index: 218 scientists 68–69 D-Index: 219 scientists 70–71 D-Index: 215 scientists 72–73 D-Index: 183 scientists 74–75 D-Index: 169 scientists 76–77 D-Index: 132 scientists 78–79 D-Index: 137 scientists 80–81 D-Index: 120 scientists 82–83 D-Index: 112 scientists 84–85 D-Index: 86 scientists 86–87 D-Index: 101 scientists 88–89 D-Index: 83 scientists 90–91 D-Index: 77 scientists 92–93 D-Index: 70 scientists 94–95 D-Index: 78 scientists 96–97 D-Index: 58 scientists 98–99 D-Index: 53 scientists 100–101 D-Index: 57 scientists 102–103 D-Index: 48 scientists 104–105 D-Index: 53 scientists 106–107 D-Index: 46 scientists 108–109 D-Index: 24 scientists 110–111 D-Index: 35 scientists 112–113 D-Index: 27 scientists 114–115 D-Index: 32 scientists 116–117 D-Index: 31 scientists 118–119 D-Index: 22 scientists 120–121 D-Index: 16 scientists 122–123 D-Index: 24 scientists 124–125 D-Index: 18 scientists 126–127 D-Index: 11 scientists 128–129 D-Index: 19 scientists 130–131 D-Index: 10 scientists 132–133 D-Index: 16 scientists 134–135 D-Index: 10 scientists 136–137 D-Index: 12 scientists 138–139 D-Index: 8 scientists 140–141 D-Index: 5 scientists 142–143 D-Index: 12 scientists 144+ D-Index: 98 scientists
30 D-Index 144+

This scientist: 88 D-Index — 91st percentile

91% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 144 D-Index or more.

Research.com Recognitions

  • 1997 - Fellow of the American Psychological Association (APA)

Overview

Keith F. Widaman is affiliated with the University of California, Riverside, in the United States. Their research primarily falls within the field of Medicine, with notable contributions to Psychiatry and Mental Health, Health, Toxicology and Mutagenesis, Cognitive Neuroscience, Clinical Psychology, and Sociology and Political Science.

The scientist's work is concentrated on several key topics, including:

  • Dementia and Cognitive Impairment Research
  • Functional Brain Connectivity Studies
  • Health, Environment, Cognitive Aging
  • Air Quality and Health Impacts
  • Psychometric Methodologies and Testing
  • Alzheimer's disease research and treatments
  • Cognitive Abilities and Testing

Widaman has published extensively in a number of academic venues, with the most frequent venues being:

  • Alzheimer s & Dementia
  • Brain
  • Journal of the International Neuropsychological Society
  • UNC Libraries
  • Educational and Psychological Measurement

The scientist has collaborated regularly with several co-authors, including:

  • Dan Mungas
  • Brandon E. Gavett
  • Timothy J. Hohman
  • Paul K. Crane
  • Sarah Tomaszewski Farias

Among recent papers by Widaman are the following:

  • Thinking thrice about sum scores, and then some more about measurement and analysis, 2022, Behavior Research Methods
  • Genetic variants and functional pathways associated with resilience to Alzheimer's disease, 2020, Brain
  • Sex differences in the genetic architecture of cognitive resilience to Alzheimer's disease, 2022, Brain
  • Validation of the NIH Toolbox Cognitive Battery in intellectual disability, 2020, Neurology
  • Ambient air pollution exposure and increasing depressive symptoms in older women: The mediating role of the prefrontal cortex and insula, 2022, The Science of The Total Environment

In 1997, Keith F. Widaman was recognized as a Fellow of the American Psychological Association (APA).

Best Publications

  • To Parcel or Not to Parcel: Exploring the Question, Weighing the Merits

    Todd D. Little;William A. Cunningham;Golan Shahar;Keith F. Widaman

  • Sample size in factor analysis.

    Robert C. MacCallum;Keith F. Widaman;Shaobo Zhang;Sehee Hong

  • Factor analysis in the development and refinement of clinical assessment instruments.

    Frank J. Floyd;Keith F. Widaman

  • Confirmatory factor analysis and item response theory : two approaches for exploring measurement invariance

    Steven P. Reise;Keith F. Widaman;Robin H. Pugh

  • Exploring the measurement invariance of psychological instruments: Applications in the substance use domain.

    Keith F. Widaman;Steven P. Reise

  • Hierarchically nested covariance structure models for multitrait-multimethod data

    Keith F. Widaman

  • Sample size in factor analysis: The role of model error

    Robert C. MacCallum;Keith F. Widaman;Kristopher J. Preacher;Sehee Hong

  • Unidimensional Versus Domain Representative Parceling of Questionnaire Items: An Empirical Example:

    Joseph M. Kishton;Keith F. Widaman

  • HIV-Related Stigma and Knowledge in the United States: Prevalence and Trends, 1991–1999

    Gregory M. Herek;John P. Capitanio;Keith F. Widaman

  • Life-span development of self-esteem and its effects on important life outcomes

    Ulrich Orth;Richard W. Robins;Keith F. Widaman

  • Factorial Invariance Within Longitudinal Structural Equation Models: Measuring the Same Construct Across Time

    Keith F. Widaman;Emilio Ferrer;Rand D. Conger

  • On the Merits of Orthogonalizing Powered and Product Terms: Implications for Modeling Interactions Among Latent Variables

    Todd D. Little;James A. Bovaird;Keith F. Widaman

  • Common factor analysis versus principal component analysis: Differential bias in representing model parameters?

    Keith F. Widaman

  • Multidimensionality and Structural Coefficient Bias in Structural Equation Modeling: A Bifactor Perspective

    Steven P. Reise;Richard Scheines;Keith F. Widaman;Mark G. Haviland

  • Linkages between Children's Social and Academic Competence: A Longitudinal Analysis.

    Mara Welsh;Ross D Parke;Keith Widaman;Robin O'Neil

  • Economic Stress, Parenting, and Child Adjustment in Mexican American and European American Families

    Ross D. Parke;Scott Coltrane;Sharon Duffy;Raymond Buriel

  • Effects of extensive temporal lobe damage or mild hypoxia on recollection and familiarity.

    Andrew P. Yonelinas;Andrew P. Yonelinas;Neal E.A. Kroll;Neal E.A. Kroll;Joel R. Quamme;Michele M. Lazzara

  • The effects of study abroad during college on attitudes toward other cultures

    Jerry S. Carlson;Keith F. Widaman

  • III. MISSING DATA: WHAT TO DO WITH OR WITHOUT THEM

    Keith F. Widaman

  • On specifying the null model for incremental fit indices in structural equation modeling.

    Keith F. Widaman;Jane S. Thompson

Frequent Co-Authors

Rand D. Conger
Rand D. Conger University of California, Davis
Todd D. Little
Todd D. Little Texas Tech University
Richard W. Robins
Richard W. Robins University of California, Davis
Jay Belsky
Jay Belsky University of California, Davis
Dan M Mungas
Dan M Mungas University of California, Davis
Kevin J. Grimm
Kevin J. Grimm Arizona State University
David Thissen
David Thissen University of North Carolina at Chapel Hill
John P. Capitanio
John P. Capitanio University of California, Davis
Dalun Zhang
Dalun Zhang Texas A&M University
Helena C. Chui
Helena C. Chui University of Southern California

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