World's Best Scientists 2026 revealed!
Isabel M. Smith

Isabel M. Smith

D-Index & Metrics

Psychology

D-Index
55
Citations
16951
World Ranking
4324
National Ranking
286

Isabel M. Smith 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 Isabel M. Smith 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: 196 publications — 68th percentile

68% of scientists in this discipline score the same or lower.

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

Isabel M. Smith 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 Isabel M. Smith 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: 55 D-Index — 63rd percentile

63% of scientists in this discipline score the same or lower.

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

Overview

Isabel M. Smith is affiliated with Dalhousie University in Canada. Their work primarily revolves around psychology and neuroscience, with a significant emphasis on autism spectrum disorder research. Their research contributions extend across clinical psychology, cognitive neuroscience, psychiatry and mental health, education, and developmental and educational psychology.

The main subjects covered in their research include:

  • Autism Spectrum Disorder Research
  • Family and Disability Support Research
  • Child Nutrition and Feeding Issues
  • Child Development and Digital Technology
  • Behavioral and Psychological Studies
  • Child and Adolescent Psychosocial and Emotional Development
  • Infant Development and Preterm Care

Frequent collaborators in their work are Lonnie Zwaigenbaum, Tracy Vaillancourt, Eric Duku, Mayada Elsabbagh, and Stelios Georgiades.

The scientist has published extensively in several notable journals, including:

  • Journal of Autism and Developmental Disorders (11 publications)
  • Autism (9 publications)
  • Journal of Child Psychology and Psychiatry (5 publications)
  • Research in Developmental Disabilities (5 publications)
  • Autism Research (4 publications)

Recent representative papers authored or co-authored by Isabel M. Smith include:

  • Genome-wide detection of tandem DNA repeats that are expanded in autism, 2020, Nature
  • Genomic architecture of autism from comprehensive whole-genome sequence annotation, 2022, Cell
  • Co-occurring trajectories of anxiety and insistence on sameness behaviour in autism spectrum disorder, 2020, The British Journal of Psychiatry
  • Trajectories of Symptom Severity in Children with Autism: Variability and Turning Points through the Transition to School, 2021, Journal of Autism and Developmental Disorders
  • Effectiveness of a parent-mediated intervention for toddlers with autism spectrum disorder: Evidence from a large community implementation, 2022, Autism

In addition to journal articles, Isabel M. Smith has contributed to book publications, including a 2024 publication titled Biographical Data in a Digital World published by ZRC SAZU, Založba ZRC eBooks.

Best Publications

  • Executive function in preschoolers: A review using an integrative framework.

    Nancy Garon;Susan E. Bryson;Isabel M. Smith

  • Whole genome sequencing resource identifies 18 new candidate genes for autism spectrum disorder

    Ryan K C Yuen;Daniele Merico;Matt Bookman;Jennifer L. Howe

  • Risperidone in the Treatment of Disruptive Behavioral Symptoms in Children With Autistic and Other Pervasive Developmental Disorders

    Sarah Shea;Atilla Turgay;Alan Carroll;Miklos Schulz

  • Early language and communication development of infants later diagnosed with autism spectrum disorder.

    Shelley Mitchell;Jessica Brian;Lonnie Zwaigenbaum;Wendy Roberts

  • Imitation and action in autism: A critical review.

    Isabel M. Smith;Susan E. Bryson

  • First report of a Canadian epidemiological study of autistic syndromes.

    Susan E. Bryson;Barbara S. Clark;Isabel M. Smith

  • Developmental Trajectories of Symptom Severity and Adaptive Functioning in an Inception Cohort of Preschool Children With Autism Spectrum Disorder

    Peter Szatmari;Stelios Georgiades;Eric Duku;Teresa A. Bennett

  • An epidemiological analysis of CHARGE syndrome: preliminary results from a Canadian study.

    Karina A. Issekutz;John M. Graham;Chitra Prasad;Isabel M. Smith

  • Autism spectrum disorder: advances in evidence-based practice

    Evdokia Anagnostou;Lonnie Zwaigenbaum;Peter Szatmari;Eric Fombonne

  • Investigating Phenotypic Heterogeneity in Children with Autism Spectrum Disorder: A Factor Mixture Modeling Approach.

    Stelios Georgiades;Peter Szatmari;Michael Boyle;Steven Hanna

  • Examination of bidirectional relationships between parent stress and two types of problem behavior in children with autism spectrum disorder.

    Anat Zaidman-Zait;Anat Zaidman-Zait;Pat Mirenda;Eric Duku;Peter Szatmari;Peter Szatmari

  • Temperament and its Relationship to Autistic Symptoms in a High-Risk Infant Sib Cohort

    Nancy Garon;Susan E. Bryson;Susan E. Bryson;Lonnie Zwaigenbaum;Isabel M. Smith;Isabel M. Smith

  • Clinical assessment of autism in high-risk 18-month-olds

    J Brian;S E Bryson;N Garon;W Roberts

  • Impact of personal and social resources on parenting stress in mothers of children with autism spectrum disorder

    Anat Zaidman-Zait;Pat Mirenda;Eric Duku;Tracy Vaillancourt

  • Genome-wide detection of tandem DNA repeats that are expanded in autism.

    Brett Trost;Worrawat Engchuan;Charlotte M. Nguyen;Charlotte M. Nguyen;Bhooma Thiruvahindrapuram

  • Sex Differences in Children with Autism Spectrum Disorder Identified Within a High-Risk Infant Cohort

    Lonnie Zwaigenbaum;Lonnie Zwaigenbaum;Susan E. Bryson;Peter Szatmari;Jessica Brian

  • Comparing early language development in monolingual- and bilingual- exposed young children with autism spectrum disorders

    J. Kaori Ohashi;Pat Mirenda;Stefka Marinova-Todd;Catherine Hambly

  • Validating the Repetitive Behavior Scale-Revised in Young Children with Autism Spectrum Disorder

    Pat Mirenda;Isabel M. Smith;Tracy Vaillancourt;Stelios Georgiades

  • Stereotyped motor behaviors associated with autism in high-risk infants: a pilot videotape analysis of a sibling sample.

    Alvin Loh;Teesta Soman;Jessica Brian;Susan E. Bryson

  • Brief parent training in pivotal response treatment for preschoolers with autism.

    Jamesie Coolican;Isabel M. Smith;Susan E. Bryson

  • Epidemiology of autism: Prevalence, associated characteristics, and implications for research and service delivery

    Susan E. Bryson;Isabel M. Smith

Frequent Co-Authors

Lonnie Zwaigenbaum
Lonnie Zwaigenbaum University of Alberta
Peter Szatmari
Peter Szatmari University of Toronto
Susan E. Bryson
Susan E. Bryson Dalhousie University
Tracy Vaillancourt
Tracy Vaillancourt University of Ottawa
Wendy Roberts
Wendy Roberts University of Toronto
Jessica Brian
Jessica Brian University of Toronto
Eric Duku
Eric Duku McMaster University
Stelios Georgiades
Stelios Georgiades McMaster University
Pat Mirenda
Pat Mirenda University of British Columbia
Joanne Volden
Joanne Volden University of Alberta

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Related Online Degrees & Career Pathways

Considering a career in psychology opens up a range of online degree options and rewarding pathways, including roles such as school counselors, mental health professionals, or academic advisors. Before choosing your direction, it’s essential to understand the educational requirements and certification processes, which can vary greatly by state.

For instance, those interested in working in schools must meet specific state standards. You can explore the Delaware school counselor education requirements to learn about degree, internship, and testing requisites unique to Delaware. Similarly, pursuing school counseling in Florida requires an understanding of the Florida school counselor certification requirements, which include coursework and background checks.

Requirements also differ across other states. The steps for becoming a school counselor in Georgia emphasize graduate-level education and supervised experience. Those looking toward Hawaii should review the Hawaii school counselor certification requirements to understand local expectations.

Reviewing online psychology degrees tailored to your state—along with specific certification guidelines—ensures your education aligns with your professional goals and state regulations.

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