World's Best Scientists 2026 revealed!
James MacKillop

James MacKillop

D-Index & Metrics

Psychology

D-Index
88
Citations
25588
World Ranking
1045
National Ranking
46

James MacKillop 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 James MacKillop 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: 425 publications — 95th percentile

95% of scientists in this discipline score the same or lower.

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

James MacKillop 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 James MacKillop 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: 88 D-Index — 91st percentile

91% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 144 D-Index or more.

Overview

James MacKillop is affiliated with McMaster University in Canada. Their research spans multiple fields of study, primarily focusing on Medicine and Psychology, with notable work in Genetics, Clinical Psychology, Cardiology and Cardiovascular Medicine, Psychiatry and Mental Health, and Experimental and Cognitive Psychology.

The main topics covered in their research include:

  • Genetic Associations and Epidemiology
  • Substance Abuse Treatment and Outcomes
  • Eating Disorders and Behaviors
  • Cannabis and Cannabinoid Research
  • Neurotransmitter Receptor Influence on Behavior
  • Behavioral Health and Interventions
  • Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes

MacKillop has published extensively in several venues, including:

  • Neuropsychopharmacology
  • Molecular Psychiatry
  • bioRxiv (Cold Spring Harbor Laboratory)
  • American Heart Journal
  • Trials

Among their recent papers are the following works:

  • "Addiction as a brain disease revised: why it still matters, and the need for consilience" (2021) published in Neuropsychopharmacology
  • "CADM2 is implicated in impulsive personality and numerous other traits by genome- and phenome-wide association studies in humans and mice" (2023) published in Translational Psychiatry
  • "Integrated Management Program Advancing Community Treatment of Atrial Fibrillation (IMPACT-AF): A cluster randomized trial of a computerized clinical decision support tool" (2020) published in American Heart Journal
  • "Evaluation of delay discounting as a transdiagnostic research domain criteria indicator in 1388 general community adults" (2022) published in Psychological Medicine
  • "Steep Discounting of Future Rewards as an Impulsivity Phenotype: A Concise Review" (2020) published in Current Topics in Behavioral Neurosciences

MacKillop frequently collaborates with several co-authors, including:

  • Abraham A. Palmer
  • Sandra Sanchez-Roige
  • Jafna L. Cox
  • Ratika Parkash
  • Feng Xie

Best Publications

  • Delayed reward discounting and addictive behavior: a meta-analysis

    James MacKillop;James MacKillop;Michael T. Amlung;Lauren R. Few;Lara A. Ray

  • 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

  • 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

  • Further Psychometric Validation of the Mindful Attention Awareness Scale (MAAS)

    James MacKillop;James MacKillop;Emily J. Anderson;Emily J. Anderson

  • The Behavioral Economics of Substance Use Disorders: Reinforcement Pathologies and Their Repair

    Warren K. Bickel;Matthew W. Johnson;Mikhail N. Koffarnus;James MacKillop

  • Steep delay discounting and addictive behavior: a meta‐analysis of continuous associations

    Michael Amlung;Lana Vedelago;John Acker;Iris Balodis

  • GWAS of lifetime cannabis use reveals new risk loci, genetic overlap with psychiatric traits, and a causal influence of schizophrenia

    Joëlle A. Pasman;Karin J. H. Verweij;Karin J. H. Verweij;Zachary Gerring;Sven Stringer

  • Relative reinforcing efficacy of alcohol among college student drinkers.

    James G. Murphy;James MacKillop

  • The latent structure of impulsivity: impulsive choice, impulsive action, and impulsive personality traits

    James MacKillop;James MacKillop;Jessica Weafer;Joshua C Gray;Joshua C Gray;Assaf Oshri

  • Examination of the Section III DSM-5 diagnostic system for personality disorders in an outpatient clinical sample

    Lauren R. Few;Joshua D. Miller;Alex O. Rothbaum;Suzanne Meller

  • Alcohol demand, delayed reward discounting, and craving in relation to drinking and alcohol use disorders.

    James MacKillop;Robert Miranda Jr.;Peter M. Monti;Lara A. Ray

  • Interrelationships among impulsive personality traits, food addiction, and Body Mass Index.

    Cara M. Murphy;Monika K. Stojek;James MacKillop

  • Delay discounting, locus of control, and cognitive impulsiveness independently predict tobacco dependence treatment outcomes in a highly dependent, lower socioeconomic group of smokers.

    Christine Sheffer;James MacKillop;John McGeary;Reid D Landes

  • Further validation of a cigarette purchase task for assessing the relative reinforcing efficacy of nicotine in college smokers.

    James MacKillop;James G. Murphy;Lara A. Ray;Daniel T. A. Eisenberg

  • Examining impulsivity as an endophenotype using a behavioral approach: a DRD2 TaqI A and DRD4 48-bp VNTR association study.

    Dan T A Eisenberg;James Mackillop;James Mackillop;Meera Modi;Joshua Beauchemin

  • Steep discounting of delayed monetary and food rewards in obesity: a meta-analysis.

    M. Amlung;T. Petker;J. Jackson;I. Balodis

  • Delayed reward discounting predicts treatment response for heavy drinkers receiving smoking cessation treatment

    James MacKillop;James MacKillop;Christopher W. Kahler

  • A behavioral economic measure of demand for alcohol predicts brief intervention outcomes.

    James MacKillop;James G. Murphy;James G. Murphy

  • Reliability and validity of a demand curve measure of alcohol reinforcement.

    James G. Murphy;James MacKillop;Jessica R. Skidmore;Ashley A. Pederson

  • Is Talk 'Cheap'? An Initial Investigation of the Equivalence of Alcohol Purchase Task Performance for Hypothetical and Actual Rewards

    Michael T. Amlung;John Acker;Monika K. Stojek;James G. Murphy

Frequent Co-Authors

Michael Amlung
Michael Amlung University of Kansas
Lawrence H. Sweet
Lawrence H. Sweet University of Georgia
Abraham A. Palmer
Abraham A. Palmer University of California, San Diego
Harriet de Wit
Harriet de Wit University of Chicago
James G. Murphy
James G. Murphy University of Memphis
John E. McGeary
John E. McGeary Brown University
Lara A. Ray
Lara A. Ray University of California, Los Angeles
Pierre Fontanillas
Pierre Fontanillas 23andMe (United States)
Jane Metrik
Jane Metrik Brown University
Damaris J. Rohsenow
Damaris J. Rohsenow Brown University

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