World's Best Scientists 2026 revealed!

D-Index & Metrics

Psychology

D-Index
46
Citations
8703
World Ranking
6420
National Ranking
3479

Barbara A. Lewis 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 Barbara A. Lewis 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: 96 publications — 17th percentile

17% of scientists in this discipline score the same or lower.

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

Barbara A. Lewis 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 Barbara A. Lewis 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: 46 D-Index — 45th percentile

45% of scientists in this discipline score the same or lower.

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

Overview

Barbara A. Lewis is affiliated with Case Western Reserve University in the United States and has contributed extensively to the field of psychology, with a focus on developmental and educational psychology. Their research spans cognitive neuroscience, genetics, pediatrics, perinatology, and child health, as well as clinical psychology.

The scientist's primary research topics include language development and disorders, reading and literacy development, neurobiology of language and bilingualism, genetics and neurodevelopmental disorders, autism spectrum disorder research, family and disability support research, and prenatal substance exposure effects.

Recent publications by Barbara A. Lewis and collaborators include:

  • Feature-driven classification reveals potential comorbid subtypes within childhood apraxia of speech, 2020, BMC Pediatrics
  • Psychosocial Comorbidities in Adolescents With Histories of Childhood Apraxia of Speech, 2021, American Journal of Speech-Language Pathology
  • Association between genes regulating neural pathways for quantitative traits of speech and language disorders, 2021, npj Genomic Medicine
  • Reading Skills in Children With Suspected Childhood Apraxia of Speech and Children With Reading Disorders: Same or Different?, 2022, Language Speech and Hearing Services in Schools
  • Increasing scholarly productivity: Developing an in-house academic librarian support network, 2021, The Journal of Academic Librarianship

Frequent co-authors include Gabrielle Miller, Penelope Benchek, Sudha K. Iyengar, Catherine M. Stein, and Lisa Freebairn.

Barbara A. Lewis has published frequently in the following venues:

  • Journal of Speech Language and Hearing Research
  • Research Square (Research Square)
  • Language Speech and Hearing Services in Schools
  • Neurotoxicology and Teratology
  • BMC Pediatrics

Best Publications

  • The percentage of consonants correct (PCC) metric: extensions and reliability data.

    Lawrence D. Shriberg;Diane Austin;Barbara A. Lewis;Jane L. McSweeny

  • Characterization of the cytoplasm of Escherichia coli K-12 as a function of external osmolarity. Implications for protein-DNA interactions in vivo.

    Cayley S;Lewis Ba;Guttman Hj;Record Mt

  • Cognitive and Academic Consequences of Bronchopulmonary Dysplasia and Very Low Birth Weight: 8-Year-Old Outcomes

    Elizabeth J. Short;Nancy K. Klein;Barbara A. Lewis;Sarah Fulton

  • The Speech Disorders Classification System (SDCS)Extensions and Lifespan Reference Data

    Lawrence D. Shriberg;Diane Austin;Barbara A. Lewis;Jane L. McSweeny

  • Cognitive outcomes of preschool children with prenatal cocaine exposure

    Lynn T. Singer;Sonia Minnes;Elizabeth Short;Robert Arendt

  • A Study of Developmental Speech and Language Disorders in Twins

    Barbara A. Lewis;Lee A. Thompson

  • Origins of the osmoprotective properties of betaine and proline in Escherichia coli K-12.

    S Cayley;B A Lewis;M T Record

  • School-Age Follow-Up of Children With Childhood Apraxia of Speech

    Barbara A. Lewis;Lisa A. Freebairn;Amy J. Hansen;Sudha K. Iyengar

  • Residual Effects of Preschool Phonology Disorders in Grade School, Adolescence, and Adulthood

    Barbara A. Lewis;Lisa Freebairn

  • Pleiotropic Effects of a Chromosome 3 Locus on Speech-Sound Disorder and Reading

    Catherine M. Stein;James H. Schick;H. Gerry Taylor;Lawrence D. Shriberg

  • The Role of IQ in a Component Model of Reading

    Rolando D. Tiu;Lee A. Thompson;Barbara A. Lewis

  • Developmental Sequelae in Preterm Infants Having a Diagnosis of Bronchopulmonary Dysplasia: Analysis Using a Severity-Based Classification System

    Elizabeth J. Short;H. Lester Kirchner;George R. Asaad;Sarah E. Fulton

  • Academic outcomes in children with histories of speech sound disorders.

    Barbara A Lewis;Lisa A Freebairn;H.Gerry Taylor

  • Preschool language outcomes of children with history of bronchopulmonary dysplasia and very low birth weight

    Lynn Singer;A. Siegel;Barbara Lewis;Suzanne Hawkins

  • Effective surgical residents strongly influence medical students to pursue surgical careers.

    Sandeepa Musunuru;Barbara Lewis;Layton F. Rikkers;Herbert Chen

  • Follow-Up of Children with Early Expressive Phonology Disorders

    Barbara A. Lewis;Lisa A. Freebairn;H. Gerry Taylor

  • Toward diagnostic and phenotype markers for genetically transmitted speech delay.

    Lawrence D. Shriberg;Barbara A. Lewis;J. Bruce Tomblin;Jane L. McSweeny

  • Longitudinal predictors of maternal stress and coping after very low-birth-weight birth.

    Lynn T. Singer;Sarah Fulton;H. Lester Kirchner;Sheri Eisengart

  • The Genetic Bases of Speech Sound Disorders: Evidence From Spoken and Written Language

    Barbara A. Lewis;Lawrence D. Shriberg;Lisa A. Freebairn;Amy J. Hansen

  • Adolescent Outcomes of Children With Early Speech Sound Disorders With and Without Language Impairment

    Barbara A. Lewis;Lisa Freebairn;Jessica Tag;Allison A. Ciesla

  • Relationship between speech-sound disorders and early literacy skills in preschool-age children: impact of comorbid language impairment.

    Laura Sices;H Gerry Taylor;Lisa Freebairn;Amy Hansen

Frequent Co-Authors

Lynn T. Singer
Lynn T. Singer Case Western Reserve University
Elizabeth J. Short
Elizabeth J. Short Case Western Reserve University
H. Gerry Taylor
H. Gerry Taylor The Ohio State University
Sudha K. Iyengar
Sudha K. Iyengar Case Western Reserve University
Carolyn M. Kercsmar
Carolyn M. Kercsmar Cincinnati Children's Hospital Medical Center
H. Lester Kirchner
H. Lester Kirchner Geisinger Health System
Sandra W. Russ
Sandra W. Russ Case Western Reserve University
Lee A. Thompson
Lee A. Thompson Case Western Reserve University
Robert C. Elston
Robert C. Elston Case Western Reserve University
Juha Kere
Juha Kere Karolinska Institute

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Related Online Degrees & Career Pathways

Exploring a degree in psychology opens a range of online study options and career pathways, especially in the counseling and therapy fields. Many students aim to become licensed professionals, such as Marriage and Family Therapists (MFTs), and there are distinct educational and certification requirements depending on your state.

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Online psychology degrees provide a flexible way to begin pursuing these well-respected and rewarding careers. Make sure to research your state’s licensing process and program accreditation to ensure your degree meets professional standards.

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