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Psychology
USA
2026

D-Index & Metrics

Psychology

D-Index
135
Citations
76879
World Ranking
138
National Ranking
85

William G. Iacono 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 William G. Iacono 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: 709 publications — 99th percentile

99% of scientists in this discipline score the same or lower.

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

William G. Iacono 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 William G. Iacono 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: 135 D-Index — 99th percentile

99% 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

  • 2026 - Research.com Psychology in United States Leader Award
  • 2025 - Research.com Psychology in United States Leader Award
  • 1986 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

William G. Iacono is affiliated with the University of Minnesota in the United States. Their research primarily spans the fields of Medicine and Psychology, with significant contributions to several subfields including Genetics, Cognitive Neuroscience, Clinical Psychology, Epidemiology, and Experimental and Cognitive Psychology.

The focus of their work encompasses a range of main topics such as Genetic Associations and Epidemiology, Substance Abuse Treatment and Outcomes, Child and Adolescent Psychosocial and Emotional Development, Cannabis and Cannabinoid Research, Cognitive Abilities and Testing, Functional Brain Connectivity Studies, and Genetic Mapping and Diversity in Plants and Animals.

Among the recent papers authored under Iacono's affiliation are the following:

  • Genetic diversity fuels gene discovery for tobacco and alcohol use, 2022, Nature
  • A large-scale genome-wide association study meta-analysis of cannabis use disorder, 2020, The Lancet Psychiatry
  • Multivariate genome-wide association meta-analysis of over 1 million subjects identifies loci underlying multiple substance use disorders, 2023, Nature Mental Health
  • Resource profile and user guide of the Polygenic Index Repository, 2021, Nature Human Behaviour
  • Expanding the genetic architecture of nicotine dependence and its shared genetics with multiple traits, 2020, Nature Communications

Their frequent co-authors include:

  • Matt McGue (50 publications)
  • Scott Vrieze (32 publications)
  • Sylia Wilson (23 publications)
  • John K. Hewitt (19 publications)
  • Stephen M. Malone (16 publications)

Publications often appear in certain venues, with notable frequency in:

  • bioRxiv (Cold Spring Harbor Laboratory) - 8 publications
  • Addiction - 5 publications
  • Drug and Alcohol Dependence - 4 publications
  • Psychological Medicine - 4 publications
  • Psychological Science - 3 publications

Throughout their career, William G. Iacono has received recognition including being named a Fellow of the American Association for the Advancement of Science (AAAS) in 1986.

Best Publications

  • Next-generation genotype imputation service and methods.

    Sayantan Das;Lukas Forer;Sebastian Schönherr;Carlo Sidore;Carlo Sidore

  • A reference panel of 64,976 haplotypes for genotype imputation

    Shane McCarthy;Sayantan Das;Warren Kretzschmar;Olivier Delaneau

  • Gene discovery and polygenic prediction from a genome-wide association study of educational attainment in 1.1 million individuals

    James J. Lee;Robbee Wedow;Aysu Okbay;Edward Kong

  • Genome-wide association study identifies 74 loci associated with educational attainment

    Aysu Okbay;Jonathan P. Beauchamp;Mark Alan Fontana;James J. Lee

  • Etiologic connections among substance dependence, antisocial behavior, and personality: Modeling the externalizing spectrum

    Robert F. Krueger;Brian M. Hicks;Christopher J. Patrick;Scott R. Carlson

  • Risk for recurrence in depression

    Stephanie L. Burcusa;William G. Iacono

  • Genetic variants associated with subjective well-being, depressive symptoms, and neuroticism identified through genome-wide analyses

    Aysu Okbay;Bart M L Baselmans;Jan-Emmanuel De Neve;Patrick Turley

  • Image processing and analysis methods for the Adolescent Brain Cognitive Development Study.

    Donald J. Hagler;Sean N. Hatton;M. Daniela Cornejo;Carolina Makowski

  • Neurobehavioral aspects of affective disorders.

    Richard A. Depue;William G. Iacono

  • GWAS of 126,559 Individuals Identifies Genetic Variants Associated with Educational Attainment

    Cornelius A. Rietveld;Sarah E. Medland;Jaime Lane Derringer;Jian Yang

  • Development of a Definition of Postacute Sequelae of SARS-CoV-2 Infection.

    Unknown

  • Genome-wide association analyses of risk tolerance and risky behaviors in over 1 million individuals identify hundreds of loci and shared genetic influences

    Richard Karlsson Linnér;Richard Karlsson Linnér;Pietro Biroli;Edward Kong;S. Fleur W. Meddens;S. Fleur W. Meddens

  • The heritability of general cognitive ability increases linearly from childhood to young adulthood

    Claire M. A. Haworth;M. J. Wright;M. Luciano;N. G. Martin

  • Behavioral disinhibition and the development of substance-use disorders: findings from the Minnesota Twin Family Study.

    William G. Iacono;Scott R. Carlson;Jeanette Taylor;Irene J. Elkins

  • Childhood externalizing and internalizing psychopathology in the prediction of early substance use.

    Serena M. King;William G. Iacono;Matt McGue

  • Transancestral GWAS of alcohol dependence reveals common genetic underpinnings with psychiatric disorders

    Raymond K. Walters;Raymond K. Walters;Renato Polimanti;Emma C. Johnson;Jeanette N. McClintick

  • Behavioral Disinhibition and the Development of Early-Onset Addiction: Common and Specific Influences

    William G. Iacono;Stephen M. Malone;Matt McGue

  • Family Transmission and Heritability of Externalizing Disorders: A Twin-Family Study

    Brian M. Hicks;Robert F. Krueger;William G. Iacono;Matt McGue

  • Prospective effects of attention-deficit/hyperactivity disorder, conduct disorder, and sex on adolescent substance use and abuse.

    Irene J. Elkins;Matt McGue;William G. Iacono

  • Externalizing psychopathology in adulthood: a dimensional-spectrum conceptualization and its implications for DSM-V.

    Robert F. Krueger;Kristian E. Markon;Christopher J. Patrick;William G. Iacono

  • Genome-wide association study identifies 74 loci associated with educational attainment

    Aysu Okbay;Jonathan P. Beauchamp;Mark Alan Fontana;James J. Lee

  • Genetic variants associated with subjective well-being, depressive symptoms, and neuroticism identified through genome-wide analyses

    Aysu Okbay;Bart M. L. Baselmans;Jan-Emmanuel De Neve;Patrick Turley

Frequent Co-Authors

Matt McGue
Matt McGue University of Minnesota
Stephen M. Malone
Stephen M. Malone University of Minnesota
Robert F. Krueger
Robert F. Krueger University of Minnesota
Brian M. Hicks
Brian M. Hicks University of Michigan–Ann Arbor
Jaakko Kaprio
Jaakko Kaprio University of Helsinki
Nicholas G. Martin
Nicholas G. Martin QIMR Berghofer Medical Research Institute
Dorret I. Boomsma
Dorret I. Boomsma Vrije Universiteit Amsterdam
Pamela A. F. Madden
Pamela A. F. Madden Washington University in St. Louis
Grant W. Montgomery
Grant W. Montgomery University of Queensland
Tonu Esko
Tonu Esko University of Tartu

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