World's Best Scientists 2026 revealed!
James R. Lewis

James R. Lewis

D-Index & Metrics

Computer Science

D-Index
59
Citations
21891
World Ranking
3342
National Ranking
1621

James R. Lewis publication distribution in Computer Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Computer Science in 2026. The highlighted bar marks where James R. Lewis sits on this spectrum.

32–41 publications: 7 scientists 42–51 publications: 22 scientists 52–61 publications: 82 scientists 62–71 publications: 134 scientists 72–81 publications: 249 scientists 82–91 publications: 324 scientists 92–101 publications: 421 scientists 102–111 publications: 420 scientists 112–121 publications: 497 scientists 122–131 publications: 544 scientists 132–141 publications: 555 scientists 142–151 publications: 609 scientists 152–161 publications: 559 scientists 162–171 publications: 534 scientists 172–181 publications: 556 scientists 182–191 publications: 583 scientists 192–201 publications: 519 scientists 202–211 publications: 508 scientists 212–221 publications: 490 scientists 222–231 publications: 437 scientists 232–241 publications: 423 scientists 242–251 publications: 408 scientists 252–261 publications: 377 scientists 262–271 publications: 301 scientists 272–281 publications: 335 scientists 282–291 publications: 320 scientists 292–301 publications: 293 scientists 302–311 publications: 250 scientists 312–321 publications: 238 scientists 322–331 publications: 206 scientists 332–341 publications: 209 scientists 342–351 publications: 208 scientists 352–361 publications: 162 scientists 362–371 publications: 176 scientists 372–381 publications: 127 scientists 382–391 publications: 158 scientists 392–401 publications: 128 scientists 402–411 publications: 104 scientists 412–421 publications: 94 scientists 422–431 publications: 99 scientists 432–441 publications: 83 scientists 442–451 publications: 108 scientists 452–461 publications: 73 scientists 462–471 publications: 77 scientists 472–481 publications: 69 scientists 482–491 publications: 84 scientists 492–501 publications: 62 scientists 502–511 publications: 54 scientists 512–521 publications: 57 scientists 522–531 publications: 51 scientists 532–541 publications: 51 scientists 542–551 publications: 32 scientists 552–561 publications: 38 scientists 562–571 publications: 28 scientists 572–581 publications: 43 scientists 582–591 publications: 33 scientists 592–601 publications: 41 scientists 602–611 publications: 32 scientists 612–621 publications: 28 scientists 622–631 publications: 25 scientists 632–641 publications: 27 scientists 642–651 publications: 17 scientists 652–661 publications: 20 scientists 662–671 publications: 17 scientists 672–681 publications: 15 scientists 682–691 publications: 14 scientists 692–701 publications: 21 scientists 702–711 publications: 13 scientists 712–721 publications: 12 scientists 722–731 publications: 19 scientists 732–741 publications: 14 scientists 742–751 publications: 12 scientists 752–761 publications: 10 scientists 762–771 publications: 10 scientists 772–781 publications: 11 scientists 782–791 publications: 10 scientists 792–801 publications: 11 scientists 802–811 publications: 8 scientists 812–821 publications: 8 scientists 822–831 publications: 7 scientists 832–841 publications: 11 scientists 842–851 publications: 10 scientists 852–861 publications: 5 scientists 862–871 publications: 9 scientists 872–881 publications: 4 scientists 882–891 publications: 6 scientists 892–901 publications: 3 scientists 902–911 publications: 6 scientists 912–921 publications: 3 scientists 922–931 publications: 2 scientists 932–941 publications: 2 scientists 942–951 publications: 2 scientists 952–961 publications: 3 scientists 962–971 publications: 3 scientists 972–981 publications: 3 scientists 982–990 publications: 5 scientists 991+ publications: 100 scientists
32 publications 991+

This scientist: 225 publications — 55th percentile

55% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 991 publications or more.

James R. Lewis D-index placement in Computer Science in 2026

The chart shows the D-index (discipline H-index) distribution of Computer Science scientists ranked by Research.com in 2026. The highlighted bar marks where James R. Lewis sits on this spectrum.

30–31 D-Index: 879 scientists 32–33 D-Index: 983 scientists 34–35 D-Index: 918 scientists 36–37 D-Index: 990 scientists 38–39 D-Index: 968 scientists 40–41 D-Index: 907 scientists 42–43 D-Index: 821 scientists 44–45 D-Index: 763 scientists 46–47 D-Index: 689 scientists 48–49 D-Index: 543 scientists 50–51 D-Index: 543 scientists 52–53 D-Index: 518 scientists 54–55 D-Index: 500 scientists 56–57 D-Index: 458 scientists 58–59 D-Index: 400 scientists 60–61 D-Index: 337 scientists 62–63 D-Index: 308 scientists 64–65 D-Index: 292 scientists 66–67 D-Index: 249 scientists 68–69 D-Index: 213 scientists 70–71 D-Index: 192 scientists 72–73 D-Index: 189 scientists 74–75 D-Index: 165 scientists 76–77 D-Index: 139 scientists 78–79 D-Index: 119 scientists 80–81 D-Index: 121 scientists 82–83 D-Index: 113 scientists 84–85 D-Index: 88 scientists 86–87 D-Index: 87 scientists 88–89 D-Index: 75 scientists 90–91 D-Index: 69 scientists 92–93 D-Index: 57 scientists 94–95 D-Index: 46 scientists 96–97 D-Index: 38 scientists 98–99 D-Index: 34 scientists 100–101 D-Index: 36 scientists 102–103 D-Index: 27 scientists 104–105 D-Index: 37 scientists 106–107 D-Index: 18 scientists 108–109 D-Index: 31 scientists 110–111 D-Index: 19 scientists 112–113 D-Index: 16 scientists 114–115 D-Index: 12 scientists 116–117 D-Index: 20 scientists 118–119 D-Index: 15 scientists 120–121 D-Index: 5 scientists 122–123 D-Index: 20 scientists 124–125 D-Index: 8 scientists 126–127 D-Index: 5 scientists 128–129 D-Index: 7 scientists 130 D-Index: 3 scientists 131+ D-Index: 98 scientists
30 D-Index 131+

This scientist: 59 D-Index — 77th percentile

77% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 131 D-Index or more.

Research.com Recognitions

  • 2009 - ACM Senior Member
  • 1940 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 1931 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

James R. Lewis is affiliated with MeasuringU in the United States and has contributed to research primarily within the social sciences, focusing on sociology, political science, and astronomy and astrophysics. Their work intersects several fields, including information systems, instrumentation, and philosophy.

Their recent publications span interdisciplinary topics across both human-computer interaction and astronomy. Notable papers include:

  • The Gaia-ESO Public Spectroscopic Survey: Implementation, data products, open cluster survey, science, and legacy, 2022, Astronomy and Astrophysics
  • Perceived Usability and the Modified Technology Acceptance Model, 2020, International Journal of Human-Computer Interaction
  • The Gaia-ESO Survey: a new approach to chemically characterising young open clusters, 2020, Astronomy and Astrophysics
  • The Gaia-ESO Survey: membership probabilities for stars in 32 open clusters from 3D kinematics, 2020, Monthly Notices of the Royal Astronomical Society
  • Effect of Perceived Ease of Use and Usefulness on UX and Behavioral Outcomes, 2023, International Journal of Human-Computer Interaction

Their collaborative network includes frequent co-authors:

  • S. Randich
  • G. Gilmore
  • G. G. Sacco
  • C. C. Worley
  • A. Hourihane

James R. Lewis publishes mainly in venues such as:

  • International Journal of Human-Computer Interaction
  • Journal of Religion and Violence
  • Astronomy and Astrophysics
  • Alternative Spirituality and Religion Review
  • Monthly Notices of the Royal Astronomical Society

Their research covers several main topics:

  • Chinese history and philosophy
  • Stellar, planetary, and galactic studies
  • Astronomy and Astrophysical Research
  • Religious Studies and Spiritual Practices
  • Religion and Society Interactions
  • Technology Adoption and User Behaviour
  • Astrophysics and Star Formation Studies

James R. Lewis has been recognized with awards including:

  • ACM Senior Member, 2009
  • Fellow of the American Association for the Advancement of Science (AAAS), 1931
  • Fellow of the American Association for the Advancement of Science (AAAS), 1940

Best Publications

  • IBM computer usability satisfaction questionnaires: psychometric evaluation and instructions for use

    James R. Lewis

  • The System Usability Scale: Past, Present, and Future

    James R. Lewis

  • Quantifying the User Experience: Practical Statistics for User Research

    Jeff Sauro;James R. Lewis

  • The Factor Structure of the System Usability Scale

    James R. Lewis;Jeff Sauro

  • Psychometric Evaluation of the PSSUQ Using Data from Five Years of Usability Studies

    James R. Lewis

  • When designing usability questionnaires, does it hurt to be positive?

    Jeff Sauro;James R. Lewis

  • Sample Sizes for Usability Studies: Additional Considerations

    James R. Lewis

  • Seven HCI Grand Challenges

    Constantine Stephanidis;Gavriel Salvendy;Margherita Antona;Jessie Y. C. Chen

  • Psychometric Evaluation of the Post-Study System Usability Questionnaire: The PSSUQ:

    James R. Lewis

  • Psychometric evaluation of an after-scenario questionnaire for computer usability studies: the ASQ

    James R. Lewis

  • Item benchmarks for the system usability scale

    James R. Lewis;Jeff Sauro

  • Method and system for proofreading and correcting dictated text

    James R. Lewis;Barbara E. Ballard;Gary R. Hanson;Kerry A. Ortega

  • Usability: Lessons Learned … and Yet to Be Learned

    James R. Lewis

  • Determining Usability Test Sample Size

    Carl W. Turner;James R. Lewis;Jakob Nielsen

  • Method for hands-free operation of a pointer

    Linda M. Boyer;James R. Lewis;Kerry A. Ortega;Ji Wee Tan

  • Measuring Perceived Usability: The CSUQ, SUS, and UMUX

    James R. Lewis

  • Correlations among prototypical usability metrics: evidence for the construct of usability

    Jeff Sauro;James R. Lewis

  • UMUX-LITE: when there's no time for the SUS

    James R. Lewis;Brian S. Utesch;Deborah E. Maher

  • Method for touchscreen data input

    Peter J. Kennedy;James R. Lewis;David Sawin

  • Oral modification of an ASR lexicon of an ASR engine

    Charles W. Cross;Frank L. Jania;James R. Lewis

Frequent Co-Authors

Gavriel Salvendy
Gavriel Salvendy University of Central Florida
Thomas E. Creamer
Thomas E. Creamer IBM (United States)
Fiona Fui-Hoon Nah
Fiona Fui-Hoon Nah Singapore Management University
Keng Siau
Keng Siau City University of Hong Kong
Constantine Stephanidis
Constantine Stephanidis University of Crete
Stephane H. Maes
Stephane H. Maes Hewlett-Packard (United States)
Joseph Sharit
Joseph Sharit University of Miami
Pei-Luen Patrick Rau
Pei-Luen Patrick Rau Tsinghua University
Dennis F. Galletta
Dennis F. Galletta University of Pittsburgh
Norbert A. Streitz
Norbert A. Streitz Smart Future Initiative

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

Studying Computer Science in the USA offers multiple pathways, especially through online education. Many students wonder what masters program should I do to advance their careers. Specialized master's programs in areas like data science, cybersecurity, or artificial intelligence are in high demand and can significantly boost your job prospects.

For those starting out or looking for flexible options, online associate degree programs offer foundational knowledge. These programs can lead to entry-level jobs or provide a stepping stone to bachelor's degrees.

Affordability is also a key consideration. There are many affordable online courses and programs, making it possible to gain valuable credentials without accumulating excessive debt.

Additionally, students who may not have a high GPA can still access quality education through online schools that accept low gpa. These institutions often offer supportive learning environments to help students succeed and progress toward their tech career goals.

Best Scientists Citing James R. Lewis

Trending Scientists

Recently Published Articles