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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Psychology 85 1169 1026 726 621 196 36758

Erik G. Willcutt publications per year

The chart shows the history of publications by Erik G. Willcutt between 1993 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Erik G. Willcutt published across 34 years, from 1993 to 2026, averaging 6.1 papers a year. Output peaked at 16 publications in 2005. 7 of the 206 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1993 to 2026. Vertical axis: number of publications, 0 to 16. Peak 16 publications in 2005. 1993: 1 publication 1994: 0 publications 1995: 0 publications 1996: 0 publications 1997: 0 publications 1998: 1 publication 1999: 3 publications 2000: 4 publications 2001: 3 publications 2002: 5 publications 2003: 2 publications 2004: 3 publications 2005: 16 publications 2006: 5 publications 2007: 8 publications 2008: 8 publications 2009: 6 publications 2010: 13 publications 2011: 7 publications 2012: 9 publications 2013: 6 publications 2014: 13 publications 2015: 7 publications 2016: 10 publications 2017: 10 publications 2018: 6 publications 2019: 15 publications 2020: 4 publications 2021: 10 publications 2022: 10 publications 2023: 8 publications 2024: 6 publications 2025: 6 publications 2026: 1 publication
1993 2026

206 publications in total across all disciplines

View publications per year as a table
Erik G. Willcutt: publications per year, 1993 to 2026
Year Publications
1993 1
1994 0
1995 0
1996 0
1997 0
1998 1
1999 3
2000 4
2001 3
2002 5
2003 2
2004 3
2005 16
2006 5
2007 8
2008 8
2009 6
2010 13
2011 7
2012 9
2013 6
2014 13
2015 7
2016 10
2017 10
2018 6
2019 15
2020 4
2021 10
2022 10
2023 8
2024 6
2025 6
2026 1
Total 206
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Erik G. Willcutt 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 Erik G. Willcutt 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, 191–200 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: 196 publications — 68th percentile

68% 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
191–200 343 196
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
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Erik G. Willcutt 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 Erik G. Willcutt 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, 84–85 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: 85 D-Index — 90th percentile

90% 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 85
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
136–137 12
138–139 8
140–141 5
142–143 12
144+ 98
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Overview

Erik G. Willcutt is affiliated with the University of Colorado Boulder in the United States. Their research primarily spans the fields of Psychology and Medicine, with a particular focus on Psychiatry and Mental Health, Developmental and Educational Psychology, Cognitive Neuroscience, Experimental and Cognitive Psychology, and Education.

Their scientific work addresses several main topics related to neurodevelopmental and cognitive domains. These include Attention Deficit Hyperactivity Disorder, Reading and Literacy Development, Neural and Behavioral Psychology Studies, Cognitive and Developmental Aspects of Mathematical Skills, Genetics and Neurodevelopmental Disorders, Functional Brain Connectivity Studies, and Writing and Handwriting Education.

Among recent scholarly contributions, several papers highlight key areas of inquiry:

  • Report of a Work Group on Sluggish Cognitive Tempo: Key Research Directions and a Consensus Change in Terminology to Cognitive Disengagement Syndrome (2022), published in the Journal of the American Academy of Child & Adolescent Psychiatry
  • Genome-wide association study reveals new insights into the heritability and genetic correlates of developmental dyslexia (2020), published in Molecular Psychiatry
  • Genome-wide analyses of individual differences in quantitatively assessed reading- and language-related skills in up to 34,000 people (2022), published in Proceedings of the National Academy of Sciences
  • How Specific Are Learning Disabilities? (2021), published in Journal of Learning Disabilities
  • Sluggish Cognitive Tempo and Neuropsychological Functioning (2021), published in Research on Child and Adolescent Psychopathology

These publications reflect engagement with both genetic and neuropsychological aspects of developmental disorders and cognitive functioning.

Frequent coauthors collaborating with Willcutt include:

  • Bruce F. Pennington
  • Richard K. Olson
  • Daniel R. Leopold
  • Stephen A. Petrill
  • John C. DeFries

This network of collaborators indicates sustained research partnerships in related areas.

The scientist's work appears regularly in notable academic venues such as:

  • Journal of Learning Disabilities
  • Research on Child and Adolescent Psychopathology
  • bioRxiv (Cold Spring Harbor Laboratory)
  • Journal of Attention Disorders
  • Journal of the American Academy of Child & Adolescent Psychiatry

These journals reflect a focus on developmental disabilities, child psychology, experimental research, and clinical child and adolescent psychiatry.

Best Publications

  • Validity of the executive function theory of attention-deficit/hyperactivity disorder: a meta-analytic review.

    Erik G. Willcutt;Alysa E. Doyle;Joel T. Nigg;Stephen V. Faraone

  • The Prevalence of DSM-IV Attention-Deficit/Hyperactivity Disorder: A Meta-Analytic Review

    Erik G. Willcutt

  • ADHD prevalence estimates across three decades: an updated systematic review and meta-regression analysis

    Guilherme V Polanczyk;Erik G Willcutt;Giovanni A Salum;Christian Kieling

  • Causal heterogeneity in attention-deficit/hyperactivity disorder: do we need neuropsychologically impaired subtypes?

    Joel T. Nigg;Erik G. Willcutt;Alysa E. Doyle;Edmund J.S. Sonuga-Barke

  • Validity of DSM-IV attention deficit/hyperactivity disorder symptom dimensions and subtypes.

    Erik G. Willcutt;Joel T. Nigg;Bruce F. Pennington;Mary V. Solanto

  • Neuropsychological Analyses of Comorbidity Between Reading Disability and Attention Deficit Hyperactivity Disorder: In Search of the Common Deficit

    Erik G Willcutt;Bruce F Pennington;Richard K Olson;Nomita Chhabildas

  • Comorbidity of Reading Disability and Attention-Deficit/ Hyperactivity Disorder Differences by Gender and Subtype

    Erik G. Willcutt;Bruce F. Pennington

  • Psychiatric comorbidity in children and adolescents with reading disability.

    Erik G. Willcutt;Bruce F. Pennington

  • A Comparison of the Neuropsychological Profiles of the DSM-IV Subtypes of ADHD

    Nomita Chhabildas;Bruce F. Pennington;Erik G. Willcutt

  • Instability of the DSM-IV Subtypes of ADHD From Preschool Through Elementary School

    Benjamin B. Lahey;William E. Pelham;Jan Loney;Steve S. Lee

  • A comparison of the cognitive deficits in reading disability and attention-deficit/hyperactivity disorder.

    Erik G. Willcutt;Bruce F. Pennington;Richard Boada;Jamie S. Ogline

  • Executive Dysfunction and Delay Aversion in Attention Deficit Hyperactivity Disorder: Nosologic and Diagnostic Implications

    Edmund J.S. Sonuga-Barke;Edmund J.S. Sonuga-Barke;Edmund J.S. Sonuga-Barke;Joseph A. Sergeant;Joel Nigg;Erik Willcutt

  • Validity of DSM-IV attention-deficit/hyperactivity disorder for younger children

    Benjamin B. Lahey;William E. Pelham;Mark A. Stein;Jan Loney

  • Processing speed deficits in attention deficit/hyperactivity disorder and reading disability.

    Michelle A. Shanahan;Bruce F. Pennington;Benjamin E. Yerys;Ashley Scott

  • Behavioral disinhibition: liability for externalizing spectrum disorders and its genetic and environmental relation to response inhibition across adolescence.

    Susan E. Young;Naomi P. Friedman;Akira Miyake;Erik G. Willcutt

  • Big Five dimensions and ADHD symptoms: Links between personality traits and clinical symptoms.

    Joel T. Nigg;Oliver P. John;Lisa G. Blaskey;Cynthia L. Huang-Pollock

  • Comorbidity Between Reading Disability and Math Disability Concurrent Psychopathology, Functional Impairment, and Neuropsychological Functioning

    Erik G. Willcutt;Stephen A. Petrill;Sarah Wu;Richard Boada

  • Etiology and neuropsychology of comorbidity between RD and ADHD: the case for multiple-deficit models.

    Erik G. Willcutt;Rebecca S. Betjemann;Lauren M. McGrath;Nomita A. Chhabildas

  • Predicting Word Reading and Comprehension with Executive Function and Speed Measures Across Development: A Latent Variable Analysis

    Micaela E. Christopher;Akira Miyake;Janice M. Keenan;Bruce Pennington

  • Effect of Stimulant Medication on Children with Attention Deficit Disorder: A “Review of Reviews”

    James M. Swanson;Keith McBurnett;Tim Wigal;Linda J. Pfiffner

  • Three-year predictive validity of DSM-IV attention deficit hyperactivity disorder in children diagnosed at 4-6 years of age.

    Benjamin B Lahey;William E Pelham;Jan Loney;Heidi Kipp

Frequent Co-Authors

Richard K. Olson
Richard K. Olson University of Colorado Boulder
Bruce F. Pennington
Bruce F. Pennington University of Denver
John C. DeFries
John C. DeFries University of Colorado Boulder
Sally J. Wadsworth
Sally J. Wadsworth University of Colorado Boulder
Stefan Samuelsson
Stefan Samuelsson Linköping University
Brian Byrne
Brian Byrne University of New England
Robin P. Corley
Robin P. Corley University of Colorado Boulder
Janice M. Keenan
Janice M. Keenan University of Denver
Stephen A. Petrill
Stephen A. Petrill The Ohio State University
Marie T. Banich
Marie T. Banich University of Colorado Boulder

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