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D-Index & Metrics

Psychology

D-Index
38
Citations
11195
World Ranking
8710
National Ranking
4638

Justin Halberda 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 Justin Halberda 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: 130 publications — 38th percentile

38% of scientists in this discipline score the same or lower.

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

Justin Halberda 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 Justin Halberda 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: 38 D-Index — 24th percentile

24% of scientists in this discipline score the same or lower.

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

Overview

Justin Halberda is affiliated with Johns Hopkins University in the United States and focuses on research intersecting mathematics and psychology. Their primary fields of study include mathematics with an emphasis on statistics and probability, as well as cognitive neuroscience and developmental and educational psychology.

Their research addresses cognitive and developmental aspects of mathematical skills, exploring how mathematical abilities emerge, develop, and relate to other cognitive processes. Halberda's work also covers mathematics education and teaching techniques, visual perception and processing mechanisms, child and animal learning development, reading and literacy development, neural and behavioral psychology studies, and visual and cognitive learning processes.

Frequent coauthors in Halberda's publications include Emily Sanford, Tyler Knowlton, Jeffrey Lidz, Paul M. Pietroski, and Chaz Firestone.

Among publication venues, Halberda most commonly publishes in the Journal of Vision, followed by the Journal of Numerical Cognition, Cognition, Open Mind, and Scientific Reports.

Notable recent papers authored or coauthored by Halberda include:

  • Age and Species Comparisons of Visual Mental Manipulation Ability as Evidence for its Development and Evolution, 2020, Scientific Reports
  • Emergence of the Link Between the Approximate Number System and Symbolic Math Ability, 2020, Child Development
  • Training nonsymbolic proportional reasoning in children and its effects on their symbolic math abilities, 2020, Cognition
  • The mental representation of universal quantifiers, 2021, Linguistics and Philosophy
  • Linguistic meanings as cognitive instructions, 2021, Annals of the New York Academy of Sciences

Best Publications

  • Individual differences in non-verbal number acuity correlate with maths achievement

    Justin Halberda;Michèle M. M. Mazzocco;Michèle M. M. Mazzocco;Lisa Feigenson

  • Developmental change in the acuity of the "Number Sense": The Approximate Number System in 3-, 4-, 5-, and 6-year-olds and adults.

    Justin Halberda;Lisa Feigenson

  • Impaired acuity of the approximate number system underlies mathematical learning disability (dyscalculia).

    Michèle M. M. Mazzocco;Lisa Feigenson;Justin Halberda

  • Preschool acuity of the approximate number system correlates with school math ability

    Melissa E. Libertus;Lisa Feigenson;Justin Halberda

  • Number sense across the lifespan as revealed by a massive Internet-based sample

    Justin Halberda;Ryan Ly;Jeremy B. Wilmer;Daniel Q. Naiman

  • Preschoolers' precision of the approximate number system predicts later school mathematics performance.

    Michèle M. M. Mazzocco;Michèle M. M. Mazzocco;Lisa Feigenson;Justin Halberda

  • The development of a word-learning strategy

    Justin Halberda

  • Is Approximate Number Precision a Stable Predictor of Math Ability

    Melissa E. Libertus;Lisa Feigenson;Justin Halberda

  • Links Between the Intuitive Sense of Number and Formal Mathematics Ability.

    Lisa Feigenson;Melissa E. Libertus;Justin Halberda

  • Developmental change in the acuity of approximate number and area representations.

    Darko Odic;Melissa E. Libertus;Lisa Feigenson;Justin Halberda

  • Multiple Spatially Overlapping Sets Can Be Enumerated in Parallel

    Justin Halberda;Sean F. Sires;Lisa Feigenson

  • Is this a dax which I see before me? Use of the logical argument disjunctive syllogism supports word-learning in children and adults

    Justin Halberda

  • Intuitive sense of number correlates with math scores on college-entrance examination

    Melissa E. Libertus;Darko Odic;Justin Halberda

  • Acquisition of English Number Marking: The Singular-Plural Distinction

    Sid Kouider;Justin Halberda;Justin Wood;Susan Carey

  • Infants chunk object arrays into sets of individuals

    Lisa Feigenson;Justin Halberda

  • Conceptual knowledge increases infants' memory capacity

    Lisa Feigenson;Justin Halberda

  • Rapid fast-mapping abilities in 2-year-olds

    Chad Spiegel;Justin Halberda

  • The Meaning of ‘Most’: Semantics, Numerosity and Psychology

    Paul Pietroski;Paul Pietroski;Jeffrey Lidz;Jeffrey Lidz;Tim Hunter;Tim Hunter;Justin Halberda;Justin Halberda

  • Changing the precision of preschoolers' approximate number system representations changes their symbolic math performance.

    Jinjing Jenny Wang;Darko Odic;Justin Halberda;Lisa Feigenson

  • Numerical approximation abilities correlate with and predict informal but not formal mathematics abilities.

    Melissa E. Libertus;Lisa Feigenson;Justin Halberda

  • Impaired acuity of the approximate number system underlies mathematical learning disability

    Michele M Mazzocco;L Feigenson;J Halberda

Frequent Co-Authors

Lisa Feigenson
Lisa Feigenson Johns Hopkins University
Melissa E. Libertus
Melissa E. Libertus University of Pittsburgh
Jeffrey Lidz
Jeffrey Lidz University of Maryland, College Park
Michèle M.M. Mazzocco
Michèle M.M. Mazzocco University of Minnesota
Daphne Bavelier
Daphne Bavelier University of Geneva
David C. Burr
David C. Burr University of Florence
Susan Carey
Susan Carey Harvard University
Barbara Landau
Barbara Landau Johns Hopkins University
Robert Plomin
Robert Plomin King's College London
Daniel J. Simons
Daniel J. Simons University of Illinois at Urbana-Champaign

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