World's Best Scientists 2026 revealed!

D-Index & Metrics

Psychology

D-Index
59
Citations
10681
World Ranking
3746
National Ranking
401

Andrew C. Parrott 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 Andrew C. Parrott 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: 190 publications — 66th percentile

66% of scientists in this discipline score the same or lower.

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

Andrew C. Parrott 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 Andrew C. Parrott 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: 59 D-Index — 68th percentile

68% of scientists in this discipline score the same or lower.

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

Overview

Andrew C. Parrott is affiliated with Swansea University in the United Kingdom. Their research spans multiple fields within medicine and psychology, focusing particularly on areas intersecting public health and behavioral science.

The primary fields of study for this researcher include:

  • Medicine
  • Psychology

Within these fields, their work further specializes in several subfields such as:

  • Clinical Psychology
  • General Health Professions
  • Epidemiology
  • Health
  • Psychiatry and Mental Health

Andrew C. Parrott's main research topics cover a range of public health and psychological issues, including:

  • Substance Abuse Treatment and Outcomes
  • Homelessness and Social Issues
  • Vaccine Coverage and Hesitancy
  • Autism Spectrum Disorder Research
  • Child Abuse and Trauma
  • Health Disparities and Outcomes
  • Liver Disease Diagnosis and Treatment

The scientist has contributed to several recent papers, which include:

  • "Determinants for COVID-19 vaccine hesitancy in the general population: a systematic review of reviews" (2022), published in Journal of Public Health
  • "Prevalence of Victimisation in Autistic Individuals: A Systematic Review and Meta-Analysis" (2022), published in Trauma Violence & Abuse
  • "Changing lifestyle for dementia risk reduction: Inductive content analysis of a national UK survey" (2020), published in PLoS ONE
  • "Does knowledge of liver fibrosis affect high-risk drinking behaviour (KLIFAD): an open-label pragmatic feasibility randomised controlled trial" (2023), published in EClinicalMedicine
  • "The role of negative urgency in risky alcohol drinking and binge-eating in United Kingdom male and female students" (2020), published in Addictive Behaviors Reports

Frequent publication venues for Andrew C. Parrott include:

  • PLoS ONE
  • Aging & Mental Health
  • Journal of Criminal Psychology
  • BJPsych Open
  • Journal of Public Health

The researcher frequently collaborates with a consistent group of co-authors, including:

  • Mohsan Subhani
  • Stefan Rennick-Egglestone
  • Joanne R Morling
  • Stephen Ryder
  • Holly Knight

Best Publications

  • Human psychopharmacology of Ecstasy (MDMA): a review of 15 years of empirical research

    A. C. Parrott

  • Ecstasy (MDMA) effects upon mood and cognition: before, during and after a Saturday night dance.

    Andrew C. Parrott;J. Lasky

  • Recreational Ecstasy/MDMA, the serotonin syndrome, and serotonergic neurotoxicity.

    A.C. Parrott

  • Psychobiological problems in heavy 'ecstasy' (MDMA) polydrug users.

    A.C. Parrott;E. Sisk;J.J.D. Turner

  • Factor analysis of a sleep evaluation questionnaire.

    A. C. Parrott;Ian Hindmarch

  • Is ecstasy MDMA? A review of the proportion of ecstasy tablets containing MDMA, their dosage levels, and the changing perceptions of purity.

    A. C. Parrott

  • Chronic tolerance to recreational MDMA (3,4-methylenedioxymethamphetamine) or Ecstasy

    A. C. Parrott

  • Cognitive performance in recreational users of MDMA or 'ecstasy': evidence for memory deficits

    A.C. Parrott;A. Lees;N.J. Garnham;M. Jones

  • Neuropsychological evidence of a relatively selective profile of temporal dysfunction in drug-free MDMA ("ecstasy") polydrug users.

    H C Fox;A McLean;J J D Turner;A C Parrott

  • Human Research on MDMA (3,4-Methylene- dioxymethamphetamine) Neurotoxicity: Cognitive and Behavioural Indices of Change

    Andrew C. Parrott

  • Human psychobiology of MDMA or ‘Ecstasy’: an overview of 25 years of empirical research

    Andrew C. Parrott

  • Recreational ecstasy/MDMA and other drug users from the UK and Italy: psychiatric symptoms and psychobiological problems

    Andy C. Parrott;Raffaella M. Milani;Rishee Parmar;John J. D. Turner

  • Ecstasy/MDMA attributed problems reported by novice, moderate and heavy recreational users

    A.C. Parrott;T. Buchanan;A.B. Scholey;T.M. Heffernan

  • Increased intensity of Ecstasy and polydrug usage in the more experienced recreational Ecstasy/MDMA users: a WWW study.

    Andrew B Scholey;Andrew C Parrott;Tom Buchanan;Thomas M Heffernan

  • Ecstasy (MDMA) in Recreational Users: Self-Reported Psychological and Physiological Effects

    D. Davison;A. C. Parrott

  • MDMA (3,4-Methylenedioxymethamphetamine) or Ecstasy: The Neuropsychobiological Implications of Taking It at Dances and Raves

    Andrew C. Parrott

  • MDMA in humans: factors which affect the neuropsychobiological profiles of recreational ecstasy users, the integrative role of bioenergetic stress

    Andy C. Parrott

  • Ecstasy use: cognitive deficits related to dosage rather than self-reported problematic use of the drug.

    H. C. Fox;A. C. Parrott;J. J. D. Turner

  • Cigarette Smoking and Abstinence: Comparative Effects Upon Cognitive Task Performance and Mood State over 24 Hours

    A. C. Parrott;N. J. Garnham;K. Wesnes;C. Pincock

  • Nonequivalence of on-line and paper-and-pencil psychological tests: The case of the prospective memory questionnaire

    Tom Buchanan;Tarick Ali;Thomas M. Heffernan;Jonathan Ling

  • Short communication Increased intensity of Ecstasy and polydrug usage in the more experienced recreational Ecstasy/MDMA users: A WWW study

    Andrew B. Scholey;Andrew C. Parrott;Tom Buchanan;Thomas M. Heffernan

Frequent Co-Authors

Andrew Scholey
Andrew Scholey Monash University
Jacqui Rodgers
Jacqui Rodgers Newcastle University
Thomas A. Buchanan
Thomas A. Buchanan University of Southern California
Luke A. Downey
Luke A. Downey Swinburne University of Technology
Lynn T. Singer
Lynn T. Singer Case Western Reserve University
Con Stough
Con Stough Swinburne University of Technology
James E. Lock
James E. Lock Stanford University
Raimondo Bruno
Raimondo Bruno University of Tasmania
Keith Wesnes
Keith Wesnes University of Exeter
Louisa Degenhardt
Louisa Degenhardt University of New South Wales

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Exploring online degrees in psychology offers flexible options for students keen on entering the mental health field. Many programs feature coursework that prepares graduates for a broad range of career pathways, including clinical practice, counseling, and research. However, pursuing a psychology degree online is just one part of the journey—students must also meet rigorous licensure requirements to become practicing therapists.

The process to licensure varies by location. For those interested in becoming a licensed therapist in Irvine, requirements include advanced education, supervised clinical experience, and successfully passing relevant examinations. If you’re considering practicing in Texas, learning about Irving licensed therapist requirements is essential—these often overlap with national standards but may have unique local stipulations.

Prospective therapists in Florida should investigate the licensed therapist requirements in Jacksonville, while individuals considering the Northeast should review the Jersey City licensed therapist requirements. Staying informed on these regional differences ensures a smoother path to achieving your professional goals in psychology.

Best Scientists Citing Andrew C. Parrott

Trending Scientists

Recently Published Articles