World's Best Scientists 2026 revealed!

D-Index & Metrics

Social Sciences and Humanities

D-Index
38
Citations
10535
World Ranking
5800
National Ranking
2750

Richard I. Parker publication distribution in Social Sciences and Humanities in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Social Sciences and Humanities in 2026. The highlighted bar marks where Richard I. Parker sits on this spectrum.

44–53 publications: 28 scientists 54–63 publications: 61 scientists 64–73 publications: 161 scientists 74–83 publications: 225 scientists 84–93 publications: 301 scientists 94–103 publications: 390 scientists 104–113 publications: 406 scientists 114–123 publications: 474 scientists 124–133 publications: 453 scientists 134–143 publications: 434 scientists 144–153 publications: 407 scientists 154–163 publications: 411 scientists 164–173 publications: 391 scientists 174–183 publications: 313 scientists 184–193 publications: 319 scientists 194–203 publications: 304 scientists 204–213 publications: 285 scientists 214–223 publications: 246 scientists 224–233 publications: 213 scientists 234–243 publications: 170 scientists 244–253 publications: 167 scientists 254–263 publications: 162 scientists 264–273 publications: 138 scientists 274–283 publications: 138 scientists 284–293 publications: 113 scientists 294–303 publications: 106 scientists 304–313 publications: 95 scientists 314–323 publications: 101 scientists 324–333 publications: 81 scientists 334–343 publications: 69 scientists 344–353 publications: 56 scientists 354–363 publications: 36 scientists 364–373 publications: 42 scientists 374–383 publications: 41 scientists 384–393 publications: 44 scientists 394–403 publications: 27 scientists 404–413 publications: 30 scientists 414–423 publications: 20 scientists 424–433 publications: 29 scientists 434–443 publications: 29 scientists 444–453 publications: 25 scientists 454–463 publications: 19 scientists 464–473 publications: 21 scientists 474–483 publications: 11 scientists 484–493 publications: 17 scientists 494–503 publications: 7 scientists 504–513 publications: 6 scientists 514–523 publications: 12 scientists 524–533 publications: 10 scientists 534–543 publications: 7 scientists 544–553 publications: 6 scientists 554–563 publications: 12 scientists 564–569 publications: 8 scientists 570+ publications: 100 scientists
44 publications 570+

This scientist: 87 publications — 8th percentile

8% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 570 publications or more.

Richard I. Parker D-index placement in Social Sciences and Humanities in 2026

The chart shows the D-index (discipline H-index) distribution of Social Sciences and Humanities scientists ranked by Research.com in 2026. The highlighted bar marks where Richard I. Parker sits on this spectrum.

30 D-Index: 177 scientists 31 D-Index: 210 scientists 32 D-Index: 222 scientists 33 D-Index: 188 scientists 34 D-Index: 181 scientists 35 D-Index: 243 scientists 36 D-Index: 261 scientists 37 D-Index: 272 scientists 38 D-Index: 278 scientists 39 D-Index: 300 scientists 40 D-Index: 297 scientists 41 D-Index: 308 scientists 42 D-Index: 313 scientists 43 D-Index: 300 scientists 44 D-Index: 269 scientists 45 D-Index: 260 scientists 46 D-Index: 228 scientists 47 D-Index: 251 scientists 48 D-Index: 203 scientists 49 D-Index: 186 scientists 50 D-Index: 187 scientists 51 D-Index: 166 scientists 52 D-Index: 138 scientists 53 D-Index: 141 scientists 54 D-Index: 131 scientists 55 D-Index: 137 scientists 56 D-Index: 109 scientists 57 D-Index: 129 scientists 58 D-Index: 95 scientists 59 D-Index: 105 scientists 60 D-Index: 106 scientists 61 D-Index: 86 scientists 62 D-Index: 94 scientists 63 D-Index: 77 scientists 64 D-Index: 79 scientists 65 D-Index: 59 scientists 66 D-Index: 68 scientists 67 D-Index: 51 scientists 68 D-Index: 49 scientists 69 D-Index: 40 scientists 70 D-Index: 43 scientists 71 D-Index: 40 scientists 72 D-Index: 50 scientists 73 D-Index: 46 scientists 74 D-Index: 43 scientists 75 D-Index: 45 scientists 76 D-Index: 45 scientists 77 D-Index: 30 scientists 78 D-Index: 25 scientists 79 D-Index: 31 scientists 80 D-Index: 29 scientists 81 D-Index: 18 scientists 82 D-Index: 21 scientists 83 D-Index: 26 scientists 84 D-Index: 15 scientists 85 D-Index: 15 scientists 86 D-Index: 19 scientists 87 D-Index: 19 scientists 88 D-Index: 12 scientists 89 D-Index: 7 scientists 90 D-Index: 19 scientists 91 D-Index: 20 scientists 92 D-Index: 13 scientists 93 D-Index: 9 scientists 94 D-Index: 13 scientists 95 D-Index: 8 scientists 96 D-Index: 7 scientists 97 D-Index: 6 scientists 98 D-Index: 6 scientists 99 D-Index: 6 scientists 100+ D-Index: 97 scientists
30 D-Index 100+

This scientist: 38 D-Index — 26th percentile

26% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 100 D-Index or more.

Overview

Richard I. Parker is affiliated with Texas A&M University in the United States and focuses primarily on research within the field of Medicine. Their subfields of study include Cardiology and Cardiovascular Medicine, Neurology, Economics and Econometrics, and Infectious Diseases.

Their recent publications illustrate a varied research portfolio, including works on the effects of antiplatelet therapy after stroke and the broader impacts of HIV/AIDS. Two notable papers include:

  • Effects of Antiplatelet Therapy After Stroke Caused by Intracerebral Hemorrhage, published in 2021 in JAMA Neurology
  • AIDS Crisis and Brazil, published in 2020 in the Oxford Research Encyclopedia of Latin American History

The main topics that Richard I. Parker's work addresses are:

  • Intracerebral and Subarachnoid Hemorrhage Research
  • Antiplatelet Therapy and Cardiovascular Diseases
  • Atrial Fibrillation Management and Outcomes
  • HIV/AIDS Impact and Responses
  • HIV/AIDS Research and Interventions

Frequent co-authors of Parker include Rustam Al-Shahi Salman, Martin Dennis, Peter Sandercock, Cathie Sudlow, and Joanna M. Wardlaw. These collaborations reflect the interdisciplinary and clinical focus of many of their research projects.

Richard I. Parker's publications have appeared in venues such as JAMA Neurology and the Oxford Research Encyclopedia of Latin American History, reflecting the cross-disciplinary nature of their work.

In addition to journal articles, Parker has published books through established academic publishers. Titles include "Remaking HIV Prevention in the 21st Century," released by Springer International Publishing in 2021, and "Attachment Aware Schools," published by Palgrave Studies in Alternative Education in 2024.

Best Publications

  • Combining nonoverlap and trend for single-case research: Tau-U.

    Richard I. Parker;Kimberly J. Vannest;John L. Davis;Stephanie B. Sauber

  • An improved effect size for single-case research: nonoverlap of all pairs.

    Richard I. Parker;Kimberly J. Vannest

  • Effect Size in Single-Case Research: A Review of Nine Nonoverlap Techniques

    Richard I. Parker;Kimberly J. Vannest;John L. Davis

  • Percentage of All Non-Overlapping Data (PAND) An Alternative to PND

    Richard I. Parker;Shanna Hagan-Burke;Kimberly Vannest

  • The Improvement Rate Difference for Single-Case Research

    Richard I. Parker;Kimberly J. Vannest;Leanne Brown

  • A Meta-Analysis of Single Case Research Studies on Aided Augmentative and Alternative Communication Systems with Individuals with Autism Spectrum Disorders.

    Jennifer B. Ganz;Theresa L. Earles-Vollrath;Amy K. Heath;Richard I. Parker

  • Academic Benefits of Peer Tutoring: A Meta-Analytic Review of Single-Case Research.

    Lisa Bowman-Perrott;Heather Davis;Kimberly Vannest;Lauren Williams

  • The Relationship Between Visual Analysis and Five Statistical Analyses in a Simple AB Single-Case Research Design:

    Daniel F. Brossart;Richard I. Parker;Elizabeth A. Olson;Lakshmi Mahadevan

  • Useful effect size interpretations for single case research.

    Richard I. Parker;Shanna Hagan-Burke

  • Praise Counts: Using Self-Monitoring to Increase Effective Teaching Practices

    Tara M. Kalis;Kimberly J. Vannest;Rich Parker

  • Effects of Two Tutoring Programs on the English Reading Development of Spanish-English Bilingual Students

    Carolyn A. Denton;Jason L. Anthony;Richard Parker;Jan E. Hasbrouck

  • Evaluating Single-Case Research Data: A Comparison of Seven Statistical Methods

    Richard I. Parker;Daniel F. Brossart

  • Effect Sizes in Single Case Research: How Large Is Large?

    Richard I. Parker;Daniel F. Brossart;Kimberly J. Vannest;James R. Long

  • Bottom-Up Analysis of Single-Case Research Designs

    Richard I. Parker;Kimberly J. Vannest

  • Assessment of Written Expression for Students in Compensatory and Special Education Programs

    Gerald Tindal;Richard Parker

  • Predictive Validity of Early Literacy Indicators From the Middle of Kindergarten to Second Grade

    Mack D. Burke;Shanna Hagan-Burke;Oiman Kwok;Richard Parker

  • Controlling Baseline Trend in Single-Case Research.

    Richard I. Parker;Judy Cryer;Glenda Byrns

  • Moderating factors of video-modeling with other as model: a meta-analysis of single-case studies.

    Rose A. Mason;Jennifer B. Ganz;Richard I. Parker;Mack D. Burke

  • An aggregate study of single-case research involving aided AAC: Participant characteristics of individuals with autism spectrum disorders

    Jennifer B. Ganz;Theresa L. Earles-Vollrath;Rose A. Mason;Mandy J. Rispoli

  • Non-overlap analysis for single-case research.

    Richard I. Parker;Kimberly J. Vannest;John L. Davis

  • Process Versus Product Writing with Limited English Proficient Students

    Richard Gomez;Richard Parker;Rafael Lara-Alecio;Leo Gomez

  • Impact of the Picture Exchange Communication System: Effects on Communication and Collateral Effects on Maladaptive Behaviors

    Jennifer B Ganz;Richard Parker;Joanne Benson

Frequent Co-Authors

Kimberly J. Vannest
Kimberly J. Vannest Texas A&M University
Jennifer B. Ganz
Jennifer B. Ganz Texas A&M University
Gerald Tindal
Gerald Tindal University of Oregon
Carolyn A. Denton
Carolyn A. Denton The University of Texas Health Science Center at Houston
Mandy Rispoli
Mandy Rispoli University of Virginia
Edward J. Kameenui
Edward J. Kameenui University of Oregon
Timothy R. Elliott
Timothy R. Elliott Texas A&M University
Howard Goldstein
Howard Goldstein University of South Florida
Oi-Man Kwok
Oi-Man Kwok Texas A&M University
Bob Algozzine
Bob Algozzine University of North Carolina at Charlotte

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