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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Psychology 48 5859 5446 599 568 218 11624

Sam Norton publications per year

The chart shows the history of publications by Sam Norton between 2001 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Sam Norton published across 25 years, from 2001 to 2025, averaging 20.1 papers a year. Output peaked at 66 publications in 2021. 105 of the 503 publications appeared in the last two years.

No. of publications
20 40 60
Bar chart. Horizontal axis: year, 2001 to 2025. Vertical axis: number of publications, 0 to 66. Peak 66 publications in 2021. 2001: 1 publication 2002: 0 publications 2003: 0 publications 2004: 0 publications 2005: 1 publication 2006: 3 publications 2007: 1 publication 2008: 1 publication 2009: 0 publications 2010: 4 publications 2011: 6 publications 2012: 10 publications 2013: 8 publications 2014: 21 publications 2015: 19 publications 2016: 37 publications 2017: 36 publications 2018: 31 publications 2019: 30 publications 2020: 42 publications 2021: 66 publications 2022: 39 publications 2023: 42 publications 2024: 51 publications 2025: 54 publications
2001 2025

503 publications in total across all disciplines

View publications per year as a table
Sam Norton: publications per year, 2001 to 2025
Year Publications
2001 1
2002 0
2003 0
2004 0
2005 1
2006 3
2007 1
2008 1
2009 0
2010 4
2011 6
2012 10
2013 8
2014 21
2015 19
2016 37
2017 36
2018 31
2019 30
2020 42
2021 66
2022 39
2023 42
2024 51
2025 54
Total 503
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Sam Norton publications per year - data summary

  • Sam Norton, a Psychology scholar from King's College London, has 503 publications recorded across 25 years, from 2001 to 2025.
  • The oldest publication on record dates to 2001 and the most recent to 2025.
  • The most productive year is 2021, with 66 publications.
  • The least productive years with any output are 2001, 2005, 2007 and 2008, with 1 publication each.
  • 4 of the 25 years in the span carry no publications at all (2002, 2003, 2004 and 2009).
  • The rate of publication averages 20.1 papers per year over the whole span, or 24.0 per year counting only the 21 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 252 publications, 50% of the career total.
  • Split into equal eras - 2001-2009: 7 publications (0.8 per year); 2010-2018: 172 publications (19.1 per year); 2019-2025: 324 publications (46.3 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Sam Norton 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 Sam Norton sits on this spectrum.

No. of scientists
200 400 600
Bar chart with 69 bars. Horizontal axis: publications, 31–40 to 705+. Vertical axis: number of scientists, 0 to 736. Most scientists, 736, have 101–110 publications. The last bar groups every scientist with 705 publications or more. The highlighted bar, 211–220 publications, is where this scientist sits. 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
31–40 publications 705+

This scientist: 218 publications — 74th percentile

74% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Psychology scientists by publication count, Research.com 2026 ranking edition. Based on 11,416 ranked scientists.
Publications Scientists This scientist
31–40 6
41–50 52
51–60 138
61–70 299
71–80 461
81–90 605
91–100 713
101–110 736
111–120 686
121–130 670
131–140 644
141–150 597
151–160 576
161–170 477
171–180 450
181–190 397
191–200 343
201–210 328
211–220 313 218
221–230 283
231–240 226
241–250 196
251–260 201
261–270 171
271–280 151
281–290 139
291–300 113
301–310 102
311–320 100
321–330 76
331–340 92
341–350 85
351–360 69
361–370 71
371–380 63
381–390 58
391–400 57
401–410 43
411–420 33
421–430 50
431–440 41
441–450 32
451–460 27
461–470 28
471–480 25
481–490 28
491–500 20
501–510 23
511–520 26
521–530 17
531–540 21
541–550 14
551–560 16
561–570 10
571–580 22
581–590 9
591–600 14
601–610 9
611–620 11
621–630 4
631–640 7
641–650 5
651–660 10
661–670 8
671–680 8
681–690 4
691–700 3
701–704 4
705+ 100
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Sam Norton publication distribution in Psychology in 2026 - data summary

  • The chart plots the publication count of all 11,416 Psychology scientists ranked by Research.com in 2026, grouped into 69 ranges running from 31–40 to 705+ publications.
  • Sam Norton, a Psychology scholar from King's College London, records 218 publications - the 74th percentile of the discipline.
  • 74% of ranked Psychology scientists score the same or lower than Sam Norton, and about 26% score higher.
  • The median of the discipline falls in the 151–160 publications range, and Sam Norton ranks above the median.
  • The most crowded range is 101–110 publications, holding 736 scientists (6% of the field).
  • 72% of the field sits in the lowest quarter of the value range (up to 201–210 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 705 publications or more, 100 scientists in all (<1% of the field).

Sam Norton 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 Sam Norton sits on this spectrum.

No. of scientists
200 400 600
Bar chart with 58 bars. Horizontal axis: D-Index, 30–31 to 144+. Vertical axis: number of scientists, 0 to 702. Most scientists, 702, have 32–33 D-Index. The last bar groups every scientist with 144 D-Index or more. The highlighted bar, 48–49 D-Index, is where this scientist sits. 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
30–31 D-Index 144+

This scientist: 48 D-Index — 49th percentile

49% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Psychology scientists by D-index, Research.com 2026 ranking edition. Based on 11,416 ranked scientists.
D-Index Scientists This scientist
30–31 398
32–33 702
34–35 671
36–37 659
38–39 641
40–41 671
42–43 617
44–45 558
46–47 495
48–49 487 48
50–51 445
52–53 390
54–55 408
56–57 345
58–59 325
60–61 321
62–63 248
64–65 290
66–67 218
68–69 219
70–71 215
72–73 183
74–75 169
76–77 132
78–79 137
80–81 120
82–83 112
84–85 86
86–87 101
88–89 83
90–91 77
92–93 70
94–95 78
96–97 58
98–99 53
100–101 57
102–103 48
104–105 53
106–107 46
108–109 24
110–111 35
112–113 27
114–115 32
116–117 31
118–119 22
120–121 16
122–123 24
124–125 18
126–127 11
128–129 19
130–131 10
132–133 16
134–135 10
136–137 12
138–139 8
140–141 5
142–143 12
144+ 98
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Sam Norton D-index placement in Psychology in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 11,416 Psychology scientists ranked by Research.com in 2026, grouped into 58 ranges running from 30–31 to 144+ D-Index.
  • Sam Norton, a Psychology scholar from King's College London, records 48 D-Index - the 49th percentile of the discipline.
  • 49% of ranked Psychology scientists score the same or lower than Sam Norton, and about 51% score higher.
  • The median of the discipline falls in the 48–49 D-Index range, and Sam Norton falls inside that same range.
  • The most crowded range is 32–33 D-Index, holding 702 scientists (6% of the field).
  • 68% of the field sits in the lowest quarter of the value range (up to 58–59 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 144 D-Index or more, 98 scientists in all (<1% of the field).

Overview

Sam Norton is affiliated with King's College London in the United Kingdom. Their research primarily focuses on the field of Medicine, with significant contributions in the subfields of Rheumatology, Clinical Psychology, Infectious Diseases, Oncology, and Hematology.

The main topics addressed in Norton's work include:

  • Rheumatoid Arthritis Research and Therapies
  • COVID-19 Clinical Research Studies
  • Autoimmune and Inflammatory Disorders Research
  • Systemic Lupus Erythematosus Research
  • COVID-19 and healthcare impacts
  • Spondyloarthritis Studies and Treatments
  • Long-Term Effects of COVID-19

Among recent publications, notable papers include:

  • A clinical risk score to identify patients with COVID-19 at high risk of critical care admission or death: An observational cohort study (2020, Journal of Infection)
  • Chest radiography is a poor predictor of respiratory symptoms and functional impairment in survivors of severe COVID-19 pneumonia (2020, ERJ Open Research)
  • The effect of methotrexate and targeted immunosuppression on humoral and cellular immune responses to the COVID-19 vaccine BNT162b2: a cohort study (2021, The Lancet Rheumatology)
  • Venous Thromboembolism Risk With JAK Inhibitors: A Meta-Analysis (2020, Arthritis & Rheumatology)
  • Poor outcome and prolonged persistence of SARS-CoV-2 RNA in COVID-19 patients with haematological malignancies; King's College Hospital experience (2020, British Journal of Haematology)

Frequent co-authors collaborating with Norton include:

  • James Galloway
  • Katie Bechman
  • Andrew P. Cope
  • Mark Russell
  • Maryam Adas

Norton's work has appeared frequently in certain publication venues. These include:

  • Lara D. Veeken
  • Annals of the Rheumatic Diseases
  • British Journal of Dermatology
  • bioRxiv (Cold Spring Harbor Laboratory)
  • PLoS ONE

Best Publications

  • Potential for primary prevention of Alzheimer's disease: an analysis of population-based data

    Sam Norton;Fiona E Matthews;Deborah E Barnes;Deborah E Barnes;Kristine Yaffe

  • A systematic review and meta-analysis of the Brief Illness Perception Questionnaire

    Elizabeth Broadbent;Carissa Wilkes;Heidi Koschwanez;John Weinman

  • The impact of rheumatoid arthritis on quality-of-life assessed using the SF-36: A systematic review and meta-analysis

    Faith Matcham;Ian C. Scott;Lauren Rayner;Matthew Hotopf

  • Comorbidity and dementia: a scoping review of the literature

    Frances Bunn;Anne-Marie Burn;Claire Goodman;Greta Rait

  • The Hospital Anxiety and Depression Scale: A meta confirmatory factor analysis

    Sam Norton;Theodore Cosco;Frank Doyle;John Done

  • Symptoms of depression and anxiety predict treatment response and long-term physical health outcomes in rheumatoid arthritis: secondary analysis of a randomized controlled trial

    Faith Alexandra Elisabeth Matcham;Sam Norton;David Lloyd Scott;Sophia Steer

  • The development and initial psychometric evaluation of a measure assessing adherence to prescribed exercise: the Exercise Adherence Rating Scale (EARS).

    Naomi A. Newman-Beinart;Sam Norton;Dominic Dowling;Dimitri Gavriloff

  • A Clinical Risk Score to Identify Patients with COVID-19 at High Risk of Critical Care Admission or Death: An Observational Cohort Study

    James B Galloway;Sam Norton;Richard D Barker;Andrew Brookes

  • Development and evaluation of the INSPIRE measure of staff support for personal recovery

    Julie Williams;Mary Leamy;Victoria Bird;Clair Le Boutillier

  • Delaying surgery after neoadjuvant chemoradiotherapy for rectal cancer may reduce postoperative morbidity without compromising prognosis.

    S F Kerr;Sam Norton;R Glynne-Jones

  • The effect of methotrexate and targeted immunosuppression on humoral and cellular immune responses to the COVID-19 vaccine BNT162b2: a cohort study.

    Satveer K Mahil;Katie Bechman;Antony Raharja;Clara Domingo-Vila

  • Chest radiography is a poor predictor of respiratory symptoms and functional impairment in survivors of severe COVID-19 pneumonia

    Rebecca F. D'Cruz;Michael D. Waller;Michael D. Waller;Felicity Perrin;Jimstan Periselneris

  • Further development in the assessment of psychological flexibility: a shortened Committed Action Questionnaire (CAQ-8).

    L M McCracken;J Chilcot;S Norton

  • Worsening Cognitive Impairment and Neurodegenerative Pathology Progressively Increase Risk for Delirium

    Daniel H.J. Davis;Donal T. Skelly;Carol Murray;Edel Hennessy

  • Distress improves after mindfulness training for progressive MS: A pilot randomised trial.

    Angeliki Bogosian;Paul Chadwick;Sula Sumati Windgassen;Sam Norton

  • Tailored online cognitive behavioural therapy with or without therapist support calls to target psychological distress in adults receiving haemodialysis: a feasibility randomised controlled trial

    Joanna L Hudson;Rona Moss-Morris;Sam Norton;Federica Picariello

  • Usefulness of the SF-36 Health Survey in screening for depressive and anxiety disorders in rheumatoid arthritis

    Faith Alexandra Elisabeth Matcham;Sam Norton;Sophia Steer;Matthew Hugo Hotopf

  • The relationship between depression and biologic treatment response in rheumatoid arthritis: An analysis of the British Society for Rheumatology Biologics Register.

    Faith Matcham;Rebecca Davies;Rebecca Davies;Matthew Hotopf;Matthew Hotopf;Kimme L Hyrich;Kimme L Hyrich

  • Identifying psychosocial predictors of medication non-adherence following acute coronary syndrome: A systematic review and meta-analysis.

    Jacob Crawshaw;Vivian Auyeung;Sam Norton;John Weinman

  • Interpretation training to target repetitive negative thinking in generalized anxiety disorder and depression.

    Colette Rosanne Hirsch;Charlotte Krahé;Jessica Whyte;Sofia Loizou

  • Change in "Self-as-Context" ("Perspective-Taking") Occurs in Acceptance and Commitment Therapy for People With Chronic Pain and Is Associated With Improved Functioning.

    Lin Yu;Sam Norton;Lance M. McCracken;Lance M. McCracken

Frequent Co-Authors

David A. Walsh
David A. Walsh University of Nottingham
Joseph Chilcot
Joseph Chilcot King's College London
Rona Moss-Morris
Rona Moss-Morris King's College London
Andrew P. Cope
Andrew P. Cope King's College London
Faith Matcham
Faith Matcham University of Sussex
Lance M. McCracken
Lance M. McCracken Uppsala University
John Weinman
John Weinman King's College London
David Scott
David Scott Ascension Health
Matthew Hotopf
Matthew Hotopf King's College London
Carol Brayne
Carol Brayne University of Cambridge

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