World's Best Scientists 2026 revealed!

D-Index & Metrics

Psychology

D-Index
100
Citations
50530
World Ranking
614
National Ranking
390

Robert S. Siegler 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 Robert S. Siegler 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: 302 publications — 87th percentile

87% of scientists in this discipline score the same or lower.

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

Robert S. Siegler 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 Robert S. Siegler 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: 100 D-Index — 95th percentile

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

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

Research.com Recognitions

  • 2005 - APA Award for Distinguished Scientific Contributions to Psychology, American Psychological Association
  • 1983 - Fellow of the American Psychological Association (APA)

Overview

Robert S. Siegler is affiliated with Columbia University in the United States. Their research primarily spans the fields of mathematics and social sciences, with significant emphasis on educational and developmental psychology. Siegler's work frequently addresses cognitive and developmental aspects of mathematical skills as well as mathematics education and teaching techniques.

Their research covers main topics including:

  • Cognitive and developmental aspects of mathematical skills
  • Mathematics Education and Teaching Techniques
  • Education Methods and Practices
  • Mathematics Education and Pedagogy
  • Reading and Literacy Development
  • Statistics Education and Methodologies
  • Mathematics Education and Programs

Siegler has contributed to multiple subfields such as education, statistics and probability, applied mathematics, developmental and educational psychology, and modeling and simulation.

Their frequent publication venues include:

  • Journal of Educational Psychology
  • New Directions for Child and Adolescent Development
  • British Journal of Educational Psychology
  • Mathematical Thinking and Learning
  • Cognitive Development

Coauthorship is a significant component of Siegler's work, with frequent collaborators including:

  • David W. Braithwaite
  • Tian Jing
  • Lauren K. Schiller
  • Jake McMullen
  • Minna Hannula-Sormunen

The following are notable recent papers authored or coauthored by Siegler:

  • "The relation between conceptual and procedural knowledge in learning mathematics: A review," 2021, Psychology Press eBooks
  • "Putting fractions together," 2020, Journal of Educational Psychology
  • "Manifesto for new directions in developmental science," 2020, New Directions for Child and Adolescent Development
  • "Distinguishing adaptive from routine expertise with rational number arithmetic," 2020, Learning and Instruction
  • "Distributions of textbook problems predict student learning: Data from decimal arithmetic," 2020, Journal of Educational Psychology

Throughout their career, Robert S. Siegler has received recognition including the APA Award for Distinguished Scientific Contributions to Psychology from the American Psychological Association in 2005 and was named a Fellow of the American Psychological Association in 1983.

Best Publications

  • Emerging Minds: The Process of Change in Children's Thinking

    Robert S. Siegler

  • Children's Thinking

    Robert S. Siegler;Martha Wagner Alibali

  • Developing Conceptual Understanding and Procedural Skill in Mathematics: An Iterative Process.

    Bethany Rittle-Johnson;Robert S. Siegler;Martha Wagner Alibali

  • The Development of Numerical Estimation Evidence for Multiple Representations of Numerical Quantity

    Robert S. Siegler;John E. Opfer

  • Development of Numerical Estimation in Young Children

    Robert S. Siegler;Julie L. Booth

  • How Children Discover New Strategies

    Robert S. Siegler;Eric A. Jenkins

  • The microgenetic method. A direct means for studying cognitive development.

    Robert S. Siegler;Kevin Crowley

  • Three aspects of cognitive development

    Robert S Siegler

  • Early Predictors of High School Mathematics Achievement

    Robert S. Siegler;Greg J. Duncan;Pamela E. Davis-Kean;Kathryn Duckworth

  • Developmental Sequences within and between Concepts.

    Robert S. Siegler

  • Promoting Broad and Stable Improvements in Low-Income Children's Numerical Knowledge Through Playing Number Board Games

    Geetha B. Ramani;Robert S. Siegler

  • The perils of averaging data over strategies: An example from children's addition.

    Robert S. Siegler

  • Developmental and Individual Differences in Pure Numerical Estimation.

    Julie L. Booth;Robert S. Siegler

  • An integrated theory of whole number and fractions development.

    Robert S. Siegler;Clarissa A. Thompson;Clarissa A. Thompson;Michael Schneider

  • Numerical Magnitude Representations Influence Arithmetic Learning

    Julie L. Booth;Robert S. Siegler

  • Strategy choice procedures and the development of multiplication skill.

    Robert S. Siegler

  • Playing linear number board games—but not circular ones—improves low-income preschoolers’ numerical understanding.

    Robert S. Siegler;Geetha B. Ramani

  • Four aspects of strategic change: Contributions to children's learning of multiplication.

    Patrick Lemaire;Robert S. Siegler

  • Children's Thinking : What Develops?

    Robert S. Siegler

  • What’s Past Is Prologue: Relations Between Early Mathematics Knowledge and High School Achievement

    Tyler W. Watts;Greg J. Duncan;Robert S. Siegler;Pamela E. Davis-Kean

  • Rethinking Infant Knowledge: Toward an Adaptive Process Account of Successes and Failures in Object Permanence Tasks

    Yuko Munakata;James L. McClelland;Mark H. Johnson;Robert S. Siegler

Frequent Co-Authors

Lynn S. Fuchs
Lynn S. Fuchs Vanderbilt University
Nancy Eisenberg
Nancy Eisenberg Arizona State University
Nancy C. Jordan
Nancy C. Jordan University of Delaware
Judy S. DeLoache
Judy S. DeLoache University of Virginia
Russell Gersten
Russell Gersten University of Oregon
Geetha B. Ramani
Geetha B. Ramani University of Maryland, College Park
Carol L. Hamlett
Carol L. Hamlett Vanderbilt University
David C. Geary
David C. Geary University of Missouri
Drew H. Bailey
Drew H. Bailey University of California, Irvine
Pamela E. Davis-Kean
Pamela E. Davis-Kean University of Michigan–Ann Arbor

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 a career in psychology opens the door to a variety of online degree opportunities and professional pathways. Many students are seeking flexible, affordable options, making online counseling programs a popular choice. These programs not only prepare graduates for licensure and clinical roles, but also offer specializations in areas such as school counseling, addiction counseling, and mental health services.

Affordability is a key concern for many prospective students. For those considering regional options, the cheapest online counseling programs in Michigan provide access to respected universities with competitive tuition rates. Similarly, the most affordable online counseling degree programs ranking in New York showcases top programs for budget-conscious learners.

In addition, specialized guides highlight budget-friendly options in Pennsylvania, such as the affordable online counseling programs in Pennsylvania and specifically in larger cities like the affordable online counseling programs in Philadelphia. Graduates from these programs can pursue roles in private practice, community agencies, hospitals, or educational settings, helping to address the growing mental health needs across the country.

Best Scientists Citing Robert S. Siegler

Trending Scientists

Recently Published Articles