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Psychology
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2026

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Psychology 135 138 118 85 71 709 76879

William G. Iacono publications per year

The chart shows the history of publications by William G. Iacono between 1974 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. William G. Iacono published across 52 years, from 1974 to 2025, averaging 14.7 papers a year. Output peaked at 54 publications in 2014. 18 of the 763 publications appeared in the last two years.

No. of publications
10 20 30 40 50
Bar chart. Horizontal axis: year, 1974 to 2025. Vertical axis: number of publications, 0 to 54. Peak 54 publications in 2014. 1974: 1 publication 1975: 0 publications 1976: 0 publications 1977: 0 publications 1978: 1 publication 1979: 5 publications 1980: 0 publications 1981: 4 publications 1982: 5 publications 1983: 7 publications 1984: 3 publications 1985: 3 publications 1986: 2 publications 1987: 6 publications 1988: 8 publications 1989: 5 publications 1990: 6 publications 1991: 9 publications 1992: 13 publications 1993: 10 publications 1994: 10 publications 1995: 10 publications 1996: 9 publications 1997: 14 publications 1998: 12 publications 1999: 13 publications 2000: 15 publications 2001: 15 publications 2002: 18 publications 2003: 10 publications 2004: 13 publications 2005: 23 publications 2006: 20 publications 2007: 26 publications 2008: 27 publications 2009: 24 publications 2010: 19 publications 2011: 23 publications 2012: 26 publications 2013: 33 publications 2014: 54 publications 2015: 29 publications 2016: 40 publications 2017: 34 publications 2018: 29 publications 2019: 20 publications 2020: 22 publications 2021: 41 publications 2022: 15 publications 2023: 13 publications 2024: 11 publications 2025: 7 publications
1974 2025

763 publications in total across all disciplines

View publications per year as a table
William G. Iacono: publications per year, 1974 to 2025
Year Publications
1974 1
1975 0
1976 0
1977 0
1978 1
1979 5
1980 0
1981 4
1982 5
1983 7
1984 3
1985 3
1986 2
1987 6
1988 8
1989 5
1990 6
1991 9
1992 13
1993 10
1994 10
1995 10
1996 9
1997 14
1998 12
1999 13
2000 15
2001 15
2002 18
2003 10
2004 13
2005 23
2006 20
2007 26
2008 27
2009 24
2010 19
2011 23
2012 26
2013 33
2014 54
2015 29
2016 40
2017 34
2018 29
2019 20
2020 22
2021 41
2022 15
2023 13
2024 11
2025 7
Total 763
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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.

No. of scientists
200 400 600
Bar chart with 69 bars. Horizontal axis: publications, 31–40 to 705+. Vertical axis: number of scientists, 0 to 736. Most scientists, 736, have 101–110 publications. The last bar groups every scientist with 705 publications or more. The highlighted bar, 705+ publications, is where this scientist sits. 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
31–40 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.

View publications distribution as a table
Number of Psychology scientists by publication count, Research.com 2026 ranking edition. Based on 11,416 ranked scientists.
Publications Scientists This scientist
31–40 6
41–50 52
51–60 138
61–70 299
71–80 461
81–90 605
91–100 713
101–110 736
111–120 686
121–130 670
131–140 644
141–150 597
151–160 576
161–170 477
171–180 450
181–190 397
191–200 343
201–210 328
211–220 313
221–230 283
231–240 226
241–250 196
251–260 201
261–270 171
271–280 151
281–290 139
291–300 113
301–310 102
311–320 100
321–330 76
331–340 92
341–350 85
351–360 69
361–370 71
371–380 63
381–390 58
391–400 57
401–410 43
411–420 33
421–430 50
431–440 41
441–450 32
451–460 27
461–470 28
471–480 25
481–490 28
491–500 20
501–510 23
511–520 26
521–530 17
531–540 21
541–550 14
551–560 16
561–570 10
571–580 22
581–590 9
591–600 14
601–610 9
611–620 11
621–630 4
631–640 7
641–650 5
651–660 10
661–670 8
671–680 8
681–690 4
691–700 3
701–704 4
705+ 100 709
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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.

No. of scientists
200 400 600
Bar chart with 58 bars. Horizontal axis: D-Index, 30–31 to 144+. Vertical axis: number of scientists, 0 to 702. Most scientists, 702, have 32–33 D-Index. The last bar groups every scientist with 144 D-Index or more. The highlighted bar, 134–135 D-Index, is where this scientist sits. 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
30–31 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.

View D-Index distribution as a table
Number of Psychology scientists by D-index, Research.com 2026 ranking edition. Based on 11,416 ranked scientists.
D-Index Scientists This scientist
30–31 398
32–33 702
34–35 671
36–37 659
38–39 641
40–41 671
42–43 617
44–45 558
46–47 495
48–49 487
50–51 445
52–53 390
54–55 408
56–57 345
58–59 325
60–61 321
62–63 248
64–65 290
66–67 218
68–69 219
70–71 215
72–73 183
74–75 169
76–77 132
78–79 137
80–81 120
82–83 112
84–85 86
86–87 101
88–89 83
90–91 77
92–93 70
94–95 78
96–97 58
98–99 53
100–101 57
102–103 48
104–105 53
106–107 46
108–109 24
110–111 35
112–113 27
114–115 32
116–117 31
118–119 22
120–121 16
122–123 24
124–125 18
126–127 11
128–129 19
130–131 10
132–133 16
134–135 10 135
136–137 12
138–139 8
140–141 5
142–143 12
144+ 98
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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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