World's Best Scientists 2026 revealed!

D-Index & Metrics

Psychology

D-Index
49
Citations
23469
World Ranking
5530
National Ranking
3014

John C. Loehlin 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 John C. Loehlin 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: 178 publications — 61st percentile

61% of scientists in this discipline score the same or lower.

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

John C. Loehlin 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 John C. Loehlin 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: 49 D-Index — 52nd percentile

52% 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

  • 1983 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

John C. Loehlin is affiliated with The University of Texas at Austin in the United States. Their research spans several areas within psychology and social sciences, with an emphasis on cognitive and developmental topics.

The main fields of study for this scientist include:

  • Psychology
  • Social Sciences

Within these fields, Loehlin's work focuses on subfields such as:

  • Experimental and Cognitive Psychology
  • Safety Research
  • Clinical Psychology

The core topics covered in their publications include:

  • Cognitive Abilities and Testing
  • Child Welfare and Adoption
  • Child and Adolescent Psychosocial and Emotional Development

Loehlin's recent scholarly contributions include the paper titled Heritability × SES Interaction for IQ: Is it Present in US Adoption Studies? published in 2021 in the journal Behavior Genetics. This work has accrued citations, indicating ongoing engagement with the research community.

Frequent coauthors collaborated with Loehlin on multiple occasions are:

  • Robin P. Corley
  • Chandra A. Reynolds
  • Sally J. Wadsworth
  • Catarina Almqvist
  • Juko Ando

All known publications have appeared primarily in the venue Behavior Genetics, highlighting a focus on the genetics of behavioral traits.

John C. Loehlin has been recognized by the scientific community with the award of Fellow of the American Association for the Advancement of Science (AAAS) in 1983.

Best Publications

  • Intelligence: Knowns and unknowns.

    Ulric Neisser;A. Wade Boykin;Nathan Brody;Stephen J. Ceci

  • INTELLIGENCE : KNOWNS AND UNKNOWNS

    U. Neisser;G. Boodoo;T. J. Bouchard;A. W. Boykin

  • Latent Variable Models: An Introduction to Factor, Path, and Structural Equation Analysis

    John C. Loehlin

  • Genotype-environment interaction and correlation in the analysis of human behavior.

    Robert Plomin;J. C. DeFries;John C. Loehlin

  • Genes, evolution, and personality.

    Thomas J. Bouchard;John C. Loehlin

  • Genes and environment in personality development

    John C. Loehlin

  • Heredity, Environment, and Personality: A Study of 850 Sets of Twins

    John C. Loehlin;Robert C. Nichols

  • The Cholesky approach: A cautionary note

    John C. Loehlin

  • Heritabilities of Common and Measure-Specific Components of the Big Five Personality Factors

    John C. Loehlin;Robert R. McCrae;Paul T. Costa;Oliver P. John

  • Race Differences in Intelligence

    John C. Loehlin;Gardner Lindzey;James N. Spuhler

  • Genotype by Environment Interaction in Adolescents’ Cognitive Aptitude

    K. Paige Harden;Eric Turkheimer;John C. Loehlin

  • Genetic and environmental components of "environmental" influences.

    Robert Plomin;John C. Loehlin;J. C. DeFries

  • Intellectual resemblance among adoptive and biological relatives: The texas Adoption Project

    Joseph M. Horn;John C. Loehlin;Lee Willerman

  • Partitioning environmental and genetic contributions to behavioral development.

    John C. Loehlin

  • Resemblance in appearance and the equal environments assumption in twin studies of personality traits

    Robert Plomin;Lee Willerman;John C. Loehlin

  • Are personality traits differentially heritable

    John C. Loehlin

  • Behavior genetics : principles and applications

    John C. Loehlin;John L. Fuller;Edward C. Simmel

  • Human Behavior Genetics

    J C Loehlin;L Willerman;J M Horn

  • Personality resemblance in adoptive families.

    John C. Loehlin;Joseph M. Horn;Lee Willerman

  • The influence of different activities on the apparent length of time.

    John C. Loehlin

  • Intelligence: Genetic and environmental influences.

    John C. Loehlin

  • Race Differences in Intelligence.

    J. C. Bear;John C. Loehlin;Michael Banton;Jonathan Harwood

Frequent Co-Authors

Nicholas G. Martin
Nicholas G. Martin QIMR Berghofer Medical Research Institute
Sarah E. Medland
Sarah E. Medland QIMR Berghofer Medical Research Institute
John C. DeFries
John C. DeFries University of Colorado Boulder
Margaret J. Wright
Margaret J. Wright University of Queensland
Robert Plomin
Robert Plomin King's College London
Erik G. Jönsson
Erik G. Jönsson University of Oslo
Robert J. Sternberg
Robert J. Sternberg Cornell University
Thomas J. Bouchard
Thomas J. Bouchard University of Minnesota
Dorret I. Boomsma
Dorret I. Boomsma Vrije Universiteit Amsterdam
Grant W. Montgomery
Grant W. Montgomery University of Queensland

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 doors to a wide range of professional opportunities, especially in counseling and mental health services. Online degrees in psychology, counseling, and addiction studies are particularly valuable for those interested in specialized fields such as substance abuse counseling.

Requirements for becoming a counselor can vary greatly by state. For example, if you want to know how to become a substance abuse counselor in Boise, you’ll need to understand Idaho’s certification and educational standards. Similarly, the Boston substance abuse counselor certification requirements may differ from those in other cities.

In New York, Buffalo substance abuse counselor certification requirements highlight the importance of state-specific coursework and supervised experience. Those considering Arizona should review steps for becoming a substance abuse counselor in Chandler to meet regional licensing guidelines.

Many accredited online programs can help you meet these regional demands while balancing your studies and personal commitments. By understanding local requirements, aspiring counselors can better plan their educational journey and boost their career potential in the psychology field.

Best Scientists Citing John C. Loehlin

Trending Scientists