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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Psychology 79 1521 1360 909 792 344 22454

John T. Walkup publications per year

The chart shows the history of publications by John T. Walkup between 1990 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. John T. Walkup published across 36 years, from 1990 to 2025, averaging 10.9 papers a year. Output peaked at 35 publications in 2025. 43 of the 393 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1990 to 2025. Vertical axis: number of publications, 0 to 35. Peak 35 publications in 2025. 1990: 1 publication 1991: 2 publications 1992: 0 publications 1993: 0 publications 1994: 0 publications 1995: 3 publications 1996: 2 publications 1997: 1 publication 1998: 5 publications 1999: 4 publications 2000: 2 publications 2001: 8 publications 2002: 5 publications 2003: 9 publications 2004: 1 publication 2005: 7 publications 2006: 14 publications 2007: 4 publications 2008: 16 publications 2009: 11 publications 2010: 12 publications 2011: 12 publications 2012: 13 publications 2013: 22 publications 2014: 19 publications 2015: 23 publications 2016: 21 publications 2017: 25 publications 2018: 21 publications 2019: 17 publications 2020: 22 publications 2021: 22 publications 2022: 14 publications 2023: 12 publications 2024: 8 publications 2025: 35 publications
1990 2025

393 publications in total across all disciplines

View publications per year as a table
John T. Walkup: publications per year, 1990 to 2025
Year Publications
1990 1
1991 2
1992 0
1993 0
1994 0
1995 3
1996 2
1997 1
1998 5
1999 4
2000 2
2001 8
2002 5
2003 9
2004 1
2005 7
2006 14
2007 4
2008 16
2009 11
2010 12
2011 12
2012 13
2013 22
2014 19
2015 23
2016 21
2017 25
2018 21
2019 17
2020 22
2021 22
2022 14
2023 12
2024 8
2025 35
Total 393
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John T. Walkup 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 John T. Walkup 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, 341–350 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: 344 publications — 91st percentile

91% 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 85 344
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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John T. Walkup 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 John T. Walkup 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, 78–79 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: 79 D-Index — 87th percentile

87% 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 79
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
136–137 12
138–139 8
140–141 5
142–143 12
144+ 98
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Overview

John T. Walkup is affiliated with Lurie Children's Hospital in the United States. Their research spans multiple disciplines, primarily focusing on psychology and medicine with considerable contributions to clinical psychology and psychiatry and mental health.

Their scholarly output includes significant engagement with pediatric and adolescent mental health concerns, combining clinical and cognitive neuroscience perspectives. The main fields of study for their work are:

  • Psychology
  • Medicine

The subfields of study cover:

  • Clinical Psychology
  • Psychiatry and Mental Health
  • Cognitive Neuroscience
  • Pediatrics, Perinatology and Child Health
  • Education

Key topics addressed in their research include:

  • Child and Adolescent Psychosocial and Emotional Development
  • Obsessive-Compulsive Spectrum Disorders
  • Attention Deficit Hyperactivity Disorder
  • Autism Spectrum Disorder Research
  • Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
  • Eating Disorders and Behaviors
  • Family and Disability Support Research

Their recent publications reflect these research interests with work published in a range of prominent journals. Notable papers include:

  • "Research Review: Pediatric anxiety disorders - what have we learnt in the last 10 years?" (2020), published in Journal of Child Psychology and Psychiatry
  • "Combining selective serotonin reuptake inhibitors and cognitive behavioral therapy in youth with depression and anxiety" (2021), published in Journal of Affective Disorders
  • "Repetitive Transcranial Magnetic Stimulation for Generalized Anxiety Disorder: A Systematic Literature Review and Meta-Analysis" (2021), published in The International Journal of Neuropsychopharmacology
  • "Long-term Outcomes of Behavior Therapy for Youth With Tourette Disorder" (2021), published in Journal of the American Academy of Child & Adolescent Psychiatry
  • "Defining tic severity and tic impairment in Tourette Disorder" (2020), published in Journal of Psychiatric Research

Their frequent coauthors suggest collaborations with experts across related fields. These collaborators include:

  • John Piacentini
  • Douglas W. Woods
  • Jeffrey R. Strawn
  • Joseph McGuire
  • Emily J. Ricketts

John T. Walkup's publications are often found in specialized journals, with the highest number in:

  • Journal of the American Academy of Child & Adolescent Psychiatry (41 publications)
  • Child Psychiatry & Human Development (3 publications)
  • Journal of Child and Adolescent Psychopharmacology (3 publications)
  • Journal of Child Psychology and Psychiatry (2 publications)
  • Child and Adolescent Psychiatric Clinics of North America (2 publications)

Best Publications

  • Cognitive Behavioral Therapy, Sertraline, or a Combination in Childhood Anxiety

    John T. Walkup;Anne Marie Albano;John Piacentini;Boris Birmaher

  • A family study of obsessive-compulsive disorder.

    Gerald Nestadt;Jack Samuels;Mark Riddle;O. Joseph Bienvenu

  • Behavior Therapy for Children With Tourette Disorder: A Randomized Controlled Trial

    John Piacentini;Douglas W. Woods;Lawrence Scahill;Sabine Wilhelm

  • Fluvoxamine for the Treatment of Anxiety Disorders in Children and Adolescents

    John T. Walkup;Michael J. Labellarte;Mark A. Riddle;Daniel S. Pine;Daniel S. Pine

  • Clinical Characteristics of Anxiety Disordered Youth

    Philip C. Kendall;Scott N. Compton;John T. Walkup;Boris Birmaher

  • Fluvoxamine for children and adolescents with obsessive-compulsive disorder: a randomized, controlled, multicenter trial.

    Mark A. Riddle;Elizabeth A. Reeve;Jose A. Yaryura-Tobias;Hwa Ming Yang

  • Child/Adolescent Anxiety Multimodal Study (CAMS): rationale, design, and methods

    Scott N Compton;John T Walkup;Anne Marie Albano;John C Piacentini

  • Remission after acute treatment in children and adolescents with anxiety disorders: findings from the CAMS.

    Golda S. Ginsburg;Philip C. Kendall;Dara Sakolsky;Scott N. Compton

  • Epidemiology and Impact of Health Care Provider-Diagnosed Anxiety and Depression Among US Children.

    Rebecca H. Bitsko;Joseph R. Holbrook;Reem M. Ghandour;Stephen J. Blumberg

  • Contemporary Assessment and Pharmacotherapy of Tourette Syndrome

    Lawrence Scahill;Gerald Erenberg;Cheston M. Berlin;Cathy Budman

  • Randomized Trial of Behavior Therapy for Adults With Tourette Syndrome

    Sabine Wilhelm;Alan L. Peterson;John Piacentini;Douglas W. Woods

  • The Treatment of Adolescent Suicide Attempters Study (TASA): Predictors of Suicidal Events in an Open Treatment Trial

    David A. Brent;Laurence L. Greenhill;Scott Compton;Graham Emslie

  • Recovery and Recurrence Following Treatment for Adolescent Major Depression

    John Curry;Susan Silva;Paul Rohde;Golda Ginsburg

  • Tourette syndrome and other tic disorders. Diagnosis, pathophysiology, and treatment.

    Harvey S. Singer;John T. Walkup

  • A randomized controlled trial of risperidone, lithium, or divalproex sodium for initial treatment of bipolar I disorder, manic or mixed phase, in children and adolescents.

    Barbara Geller;Joan L. Luby;Paramjit Joshi;Karen Dineen Wagner

  • Predictors and moderators of treatment response in childhood anxiety disorders: results from the CAMS trial.

    Scott N. Compton;Tara S. Peris;Daniel Almirall;Boris Birmaher

  • The familial phenotype of obsessive-compulsive disorder in relation to tic disorders: the Hopkins OCD family study.

    Marco A. Grados;Marco A. Grados;Mark A. Riddle;Mark A. Riddle;Jack F. Samuels;Kung Yee Liang

  • Gut Microbiota and Autism: Key Concepts and Findings

    Helen T. Ding;Ying Taur;John T. Walkup;John T. Walkup

  • Patient selection and assessment recommendations for deep brain stimulation in Tourette syndrome.

    Jonathan W. Mink;John Walkup;Kirk A. Frey;Peter Como

  • Exploring the Impact of Chronic Tic Disorders on Youth: Results from the Tourette Syndrome Impact Survey

    Christine A. Conelea;Douglas W. Woods;Samuel H. Zinner;Samuel H. Zinner;Cathy Budman

  • Brief review of habit reversal training for Tourette syndrome.

    Michael B. Himle;Douglas W. Woods;John C. Piacentini;John T. Walkup

  • Treatment for Adolescents with Depression Study (TADS): safety results.

    Graham Emslie;Graham Emslie;Graham Emslie;Christopher Kratochvil;Benedetto Vitiello;Susan Silva

  • Treatment for Adolescents with Depression Study (TADS): Rationale, design, and methods

    John March;Susan Silva;Stephen Petrycki;John Curry

  • Obsessive-compulsive symptom dimensions in affected sibling pairs diagnosed with Gilles de la Tourette syndrome.

    James F. Leckman;David L. Pauls;Heping Zhang;Maria C. Rosario-Campos

Frequent Co-Authors

John Piacentini
John Piacentini University of California, Los Angeles
Golda S. Ginsburg
Golda S. Ginsburg University of Connecticut
Scott N. Compton
Scott N. Compton Duke University
Boris Birmaher
Boris Birmaher University of Pittsburgh
Anne Marie Albano
Anne Marie Albano Columbia University
Philip C. Kendall
Philip C. Kendall Temple University
Douglas W. Woods
Douglas W. Woods Marquette University
John S. March
John S. March Duke University
James T. McCracken
James T. McCracken University of California, Los Angeles
Mark A. Riddle
Mark A. Riddle Johns Hopkins University School of Medicine

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Related Online Degrees & Career Pathways

Psychology is a diverse and rapidly evolving field, and studying in the USA opens up many online degree options and career trajectories. Whether you’re looking to work with children, patients, or within the legal system, it’s important to choose the right educational pathway.

For those interested in focusing on young people, you might wonder how many years to become a child psychologist. The journey often involves earning a bachelor’s and master’s degree, followed by a doctoral program, totaling up to 10 years or more of education and training.

If you are considering clinical practice, you may ask what degree do you need to be a clinical psychologist. Most states require a Doctor of Psychology (PsyD) or a PhD in Psychology, along with state licensure.

Exploring legal and investigative settings? It’s helpful to learn what subjects are needed to become a forensic psychologist, such as criminal justice, abnormal psychology, and ethics.

Those fascinated by the brain should investigate how do you become a neuropsychologist—typically requiring a PhD or PsyD with additional specialized training.

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