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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Psychology 51 5161 4786 2841 2572 205 12438

Joy M. Schmitz publications per year

The chart shows the history of publications by Joy M. Schmitz between 1987 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Joy M. Schmitz published across 39 years, from 1987 to 2025, averaging 7 papers a year. Output peaked at 29 publications in 2025. 49 of the 272 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1987 to 2025. Vertical axis: number of publications, 0 to 29. Peak 29 publications in 2025. 1987: 2 publications 1988: 1 publication 1989: 0 publications 1990: 0 publications 1991: 1 publication 1992: 1 publication 1993: 8 publications 1994: 9 publications 1995: 4 publications 1996: 2 publications 1997: 6 publications 1998: 7 publications 1999: 6 publications 2000: 3 publications 2001: 6 publications 2002: 2 publications 2003: 5 publications 2004: 7 publications 2005: 2 publications 2006: 3 publications 2007: 7 publications 2008: 5 publications 2009: 11 publications 2010: 3 publications 2011: 2 publications 2012: 7 publications 2013: 3 publications 2014: 11 publications 2015: 20 publications 2016: 5 publications 2017: 8 publications 2018: 5 publications 2019: 13 publications 2020: 9 publications 2021: 19 publications 2022: 8 publications 2023: 12 publications 2024: 20 publications 2025: 29 publications
1987 2025

272 publications in total across all disciplines

View publications per year as a table
Joy M. Schmitz: publications per year, 1987 to 2025
Year Publications
1987 2
1988 1
1989 0
1990 0
1991 1
1992 1
1993 8
1994 9
1995 4
1996 2
1997 6
1998 7
1999 6
2000 3
2001 6
2002 2
2003 5
2004 7
2005 2
2006 3
2007 7
2008 5
2009 11
2010 3
2011 2
2012 7
2013 3
2014 11
2015 20
2016 5
2017 8
2018 5
2019 13
2020 9
2021 19
2022 8
2023 12
2024 20
2025 29
Total 272
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Joy M. Schmitz 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 Joy M. Schmitz 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, 201–210 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: 205 publications — 70th percentile

70% 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
201–210 328 205
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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Joy M. Schmitz 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 Joy M. Schmitz 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, 50–51 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: 51 D-Index — 56th percentile

56% 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 51
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
136–137 12
138–139 8
140–141 5
142–143 12
144+ 98
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Overview

Joy M. Schmitz is affiliated with The University of Texas Health Science Center at Houston in the United States. Their work spans multiple fields of study including Medicine, Psychology, and Neuroscience, with publication counts of 110, 49, and 47 respectively. Within these broad areas, Schmitz's research often focuses on subfields such as Epidemiology, Clinical Psychology, Cognitive Neuroscience, Cellular and Molecular Neuroscience, and Pharmacology.

The scientist has contributed extensively to research on topics that cover Neurotransmitter Receptor Influence on Behavior, Substance Abuse Treatment and Outcomes, Opioid Use Disorder Treatment, Cannabis and Cannabinoid Research, Posttraumatic Stress Disorder Research, Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes, and HIV, Drug Use, Sexual Risk.

Joy M. Schmitz has coauthored many publications with several frequent collaborators, including:

  • Scott D. Lane
  • Robert Suchting
  • Heather E. Webber
  • Constanza de Dios
  • Jin H. Yoon

The researcher's work is published in numerous academic venues. The most frequent include:

  • Drug and Alcohol Dependence
  • Experimental and Clinical Psychopharmacology
  • Journal of Addiction Medicine
  • Biological Psychiatry
  • Nicotine & Tobacco Research

Among recent papers authored or coauthored by Schmitz are:

  • "Bupropion and Naltrexone in Methamphetamine Use Disorder" (2021), published in New England Journal of Medicine
  • "Exenatide Adjunct to Nicotine Patch Facilitates Smoking Cessation and May Reduce Post-Cessation Weight Gain: A Pilot Randomized Controlled Trial" (2021), published in Nicotine & Tobacco Research
  • "A meta-analysis of tract-based spatial statistics studies examining white matter integrity in cocaine use disorder" (2020), published in Addiction Biology
  • "Elevated Neutrophil to Lymphocyte Ratio in Older Adults with Cocaine Use Disorder as a Marker of Chronic Inflammation" (2020), published in Clinical Psychopharmacology and Neuroscience
  • "White matter deficits in cocaine use disorder: convergent evidence from in vivo diffusion tensor imaging and ex vivo proteomic analysis" (2021), published in Translational Psychiatry

Best Publications

  • Psychiatric aspects of impulsivity

    F. Gerard Moeller;Ernest S. Barratt;Donald M. Dougherty;Joy M. Schmitz

  • The impact of impulsivity on cocaine use and retention in treatment

    F.Gerard Moeller;Donald M. Dougherty;Ernest S. Barratt;Joy M. Schmitz

  • Reduction in the Rate of Early Restenosis after Coronary Angioplasty by a Diet Supplemented with n–3 Fatty Acids

    G J Dehmer;J J Popma;E K van den Berg;E J Eichhorn

  • Dextroamphetamine for cocaine-dependence treatment : A double-blind randomized clinical trial

    John Grabowski;Howard Rhoades;Joy Schmitz;Angela Stotts

  • Motivational interviewing with cocaine-dependent patients: A pilot study.

    Angela L. Stotts;Joy M. Schmitz;Howard M. Rhoades;John Grabowski

  • Replacement medication for cocaine dependence: methylphenidate.

    John Grabowski;John D. Roache;Joy M. Schmitz;Howard Rhoades

  • Agonist-like or antagonist-like treatment for cocaine dependence with methadone for heroin dependence: two double-blind randomized clinical trials.

    John Grabowski;Howard Rhoades;Angela L Stotts;Katherine Cowan

  • Bupropion and Naltrexone in Methamphetamine Use Disorder

    Madhukar H Trivedi;Robrina Walker;Walter Ling;Adriane Dela Cruz

  • Fluoxetine Is Ineffective for Treatment of Cocaine Dependence or Concurrent Opiate and Cocaine Dependence: Two Placebo-controlled, Double-blind Trials

    John Grabowski;Howard Rhoades;Ronith Elk;Joy Schmitz

  • Retention, HIV risk, and illicit drug use during treatment: Methadone dose and visit frequency

    Howard M. Rhoades;Dan Creson;Ronith Elk;Joy Schmitz

  • Naltrexone and relapse prevention treatment for cocaine-dependent patients

    Joy M Schmitz;Angela L Stotts;Howard M Rhoades;John Grabowski

  • Relationship between impulsivity and decision making in cocaine dependence

    Kimberly L. Kjome;Scott D. Lane;Joy M. Schmitz;Charles Green

  • Fluoxetine treatment of cocaine-dependent patients with major depressive disorder.

    Joy M Schmitz;Patricia Averill;Angela L Stotts;F.Gerard Moeller

  • Risperidone for the treatment of cocaine dependence: Randomized, double- blind trial

    John Grabowski;Howard Rhoades;Peter Silverman;Joy M. Schmitz

  • Determining predictors of attrition in an outpatient substance abuse program.

    Shelly L. Sayre;Joy M. Schmitz;Angela L. Stotts;Patricia M. Averill

  • Effects of oral methamphetamine on cocaine use: a randomized, double-blind, placebo-controlled trial.

    Marc E. Mooney;David V. Herin;Joy M. Schmitz;Nidal Moukaddam

  • Behavioral and emotional problems among children of cocaine- and opiate-dependent parents.

    Catherine Stanger;Stephen T. Higgins;Warren K. Bickel;Ronith Elk

  • Citalopram combined with behavioral therapy reduces cocaine use: A double-blind, placebo-controlled trial

    F. Gerard Moeller;Joy M. Schmitz;Joel L. Steinberg;Charles M. Green

  • Relationship between attentional bias to cocaine-related stimuli and impulsivity in cocaine-dependent subjects.

    Shijing Liu;Scott D. Lane;Joy M. Schmitz;Andrew J. Waters

  • Levodopa pharmacotherapy for cocaine dependence: choosing the optimal behavioral therapy platform.

    Joy M. Schmitz;Marc E. Mooney;F. Gerard Moeller;Angela L. Stotts

Frequent Co-Authors

Scott D. Lane
Scott D. Lane The University of Texas Health Science Center at Houston
John Grabowski
John Grabowski University of Minnesota
F. Gerard Moeller
F. Gerard Moeller Virginia Commonwealth University
Howard M. Rhoades
Howard M. Rhoades The University of Texas Health Science Center at Houston
Ponnada A. Narayana
Ponnada A. Narayana The University of Texas Health Science Center at Houston
Joel L. Steinberg
Joel L. Steinberg Virginia Commonwealth University
Alan C. Swann
Alan C. Swann The University of Texas Health Science Center at Houston
Gabriel R. Fries
Gabriel R. Fries The University of Texas Health Science Center at Houston
Thomas R. Kosten
Thomas R. Kosten Baylor College of Medicine
Rodrigo Grassi-Oliveira
Rodrigo Grassi-Oliveira Pontifical Catholic University of Rio Grande do Sul

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