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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Social Sciences and Humanities 59 1572 1408 289 262 527 13272

David Challis publications per year

The chart shows the history of publications by David Challis between 1979 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. David Challis published across 47 years, from 1979 to 2025, averaging 11.5 papers a year. Output peaked at 68 publications in 2014. 4 of the 542 publications appeared in the last two years.

No. of publications
20 40 60
Bar chart. Horizontal axis: year, 1979 to 2025. Vertical axis: number of publications, 0 to 68. Peak 68 publications in 2014. 1979: 1 publication 1980: 3 publications 1981: 4 publications 1982: 0 publications 1983: 2 publications 1984: 5 publications 1985: 8 publications 1986: 4 publications 1987: 7 publications 1988: 6 publications 1989: 6 publications 1990: 5 publications 1991: 7 publications 1992: 9 publications 1993: 5 publications 1994: 5 publications 1995: 2 publications 1996: 5 publications 1997: 1 publication 1998: 4 publications 1999: 11 publications 2000: 5 publications 2001: 6 publications 2002: 10 publications 2003: 12 publications 2004: 6 publications 2005: 11 publications 2006: 17 publications 2007: 13 publications 2008: 18 publications 2009: 15 publications 2010: 17 publications 2011: 15 publications 2012: 15 publications 2013: 24 publications 2014: 68 publications 2015: 21 publications 2016: 23 publications 2017: 37 publications 2018: 49 publications 2019: 15 publications 2020: 16 publications 2021: 22 publications 2022: 3 publications 2023: 0 publications 2024: 1 publication 2025: 3 publications
1979 2025

542 publications in total across all disciplines

View publications per year as a table
David Challis: publications per year, 1979 to 2025
Year Publications
1979 1
1980 3
1981 4
1982 0
1983 2
1984 5
1985 8
1986 4
1987 7
1988 6
1989 6
1990 5
1991 7
1992 9
1993 5
1994 5
1995 2
1996 5
1997 1
1998 4
1999 11
2000 5
2001 6
2002 10
2003 12
2004 6
2005 11
2006 17
2007 13
2008 18
2009 15
2010 17
2011 15
2012 15
2013 24
2014 68
2015 21
2016 23
2017 37
2018 49
2019 15
2020 16
2021 22
2022 3
2023 0
2024 1
2025 3
Total 542
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David Challis publication distribution in Social Sciences and Humanities in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Social Sciences and Humanities in 2026. The highlighted bar marks where David Challis sits on this spectrum.

No. of scientists
100 200 300 400
Bar chart with 54 bars. Horizontal axis: publications, 44–53 to 570+. Vertical axis: number of scientists, 0 to 474. Most scientists, 474, have 114–123 publications. The last bar groups every scientist with 570 publications or more. The highlighted bar, 524–533 publications, is where this scientist sits. 44–53 publications: 28 scientists 54–63 publications: 61 scientists 64–73 publications: 161 scientists 74–83 publications: 225 scientists 84–93 publications: 301 scientists 94–103 publications: 390 scientists 104–113 publications: 406 scientists 114–123 publications: 474 scientists 124–133 publications: 453 scientists 134–143 publications: 434 scientists 144–153 publications: 407 scientists 154–163 publications: 411 scientists 164–173 publications: 391 scientists 174–183 publications: 313 scientists 184–193 publications: 319 scientists 194–203 publications: 304 scientists 204–213 publications: 285 scientists 214–223 publications: 246 scientists 224–233 publications: 213 scientists 234–243 publications: 170 scientists 244–253 publications: 167 scientists 254–263 publications: 162 scientists 264–273 publications: 138 scientists 274–283 publications: 138 scientists 284–293 publications: 113 scientists 294–303 publications: 106 scientists 304–313 publications: 95 scientists 314–323 publications: 101 scientists 324–333 publications: 81 scientists 334–343 publications: 69 scientists 344–353 publications: 56 scientists 354–363 publications: 36 scientists 364–373 publications: 42 scientists 374–383 publications: 41 scientists 384–393 publications: 44 scientists 394–403 publications: 27 scientists 404–413 publications: 30 scientists 414–423 publications: 20 scientists 424–433 publications: 29 scientists 434–443 publications: 29 scientists 444–453 publications: 25 scientists 454–463 publications: 19 scientists 464–473 publications: 21 scientists 474–483 publications: 11 scientists 484–493 publications: 17 scientists 494–503 publications: 7 scientists 504–513 publications: 6 scientists 514–523 publications: 12 scientists 524–533 publications: 10 scientists 534–543 publications: 7 scientists 544–553 publications: 6 scientists 554–563 publications: 12 scientists 564–569 publications: 8 scientists 570+ publications: 100 scientists
44–53 publications 570+

This scientist: 527 publications — 98th percentile

98% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 570 publications or more.

View publications distribution as a table
Number of Social Sciences and Humanities scientists by publication count, Research.com 2026 ranking edition. Based on 7,777 ranked scientists.
Publications Scientists This scientist
44–53 28
54–63 61
64–73 161
74–83 225
84–93 301
94–103 390
104–113 406
114–123 474
124–133 453
134–143 434
144–153 407
154–163 411
164–173 391
174–183 313
184–193 319
194–203 304
204–213 285
214–223 246
224–233 213
234–243 170
244–253 167
254–263 162
264–273 138
274–283 138
284–293 113
294–303 106
304–313 95
314–323 101
324–333 81
334–343 69
344–353 56
354–363 36
364–373 42
374–383 41
384–393 44
394–403 27
404–413 30
414–423 20
424–433 29
434–443 29
444–453 25
454–463 19
464–473 21
474–483 11
484–493 17
494–503 7
504–513 6
514–523 12
524–533 10 527
534–543 7
544–553 6
554–563 12
564–569 8
570+ 100
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David Challis D-index placement in Social Sciences and Humanities in 2026

The chart shows the D-index (discipline H-index) distribution of Social Sciences and Humanities scientists ranked by Research.com in 2026. The highlighted bar marks where David Challis sits on this spectrum.

No. of scientists
100 200 300
Bar chart with 71 bars. Horizontal axis: D-Index, 30 to 100+. Vertical axis: number of scientists, 0 to 313. Most scientists, 313, have 42 D-Index. The last bar groups every scientist with 100 D-Index or more. The highlighted bar, 59 D-Index, is where this scientist sits. 30 D-Index: 177 scientists 31 D-Index: 210 scientists 32 D-Index: 222 scientists 33 D-Index: 188 scientists 34 D-Index: 181 scientists 35 D-Index: 243 scientists 36 D-Index: 261 scientists 37 D-Index: 272 scientists 38 D-Index: 278 scientists 39 D-Index: 300 scientists 40 D-Index: 297 scientists 41 D-Index: 308 scientists 42 D-Index: 313 scientists 43 D-Index: 300 scientists 44 D-Index: 269 scientists 45 D-Index: 260 scientists 46 D-Index: 228 scientists 47 D-Index: 251 scientists 48 D-Index: 203 scientists 49 D-Index: 186 scientists 50 D-Index: 187 scientists 51 D-Index: 166 scientists 52 D-Index: 138 scientists 53 D-Index: 141 scientists 54 D-Index: 131 scientists 55 D-Index: 137 scientists 56 D-Index: 109 scientists 57 D-Index: 129 scientists 58 D-Index: 95 scientists 59 D-Index: 105 scientists 60 D-Index: 106 scientists 61 D-Index: 86 scientists 62 D-Index: 94 scientists 63 D-Index: 77 scientists 64 D-Index: 79 scientists 65 D-Index: 59 scientists 66 D-Index: 68 scientists 67 D-Index: 51 scientists 68 D-Index: 49 scientists 69 D-Index: 40 scientists 70 D-Index: 43 scientists 71 D-Index: 40 scientists 72 D-Index: 50 scientists 73 D-Index: 46 scientists 74 D-Index: 43 scientists 75 D-Index: 45 scientists 76 D-Index: 45 scientists 77 D-Index: 30 scientists 78 D-Index: 25 scientists 79 D-Index: 31 scientists 80 D-Index: 29 scientists 81 D-Index: 18 scientists 82 D-Index: 21 scientists 83 D-Index: 26 scientists 84 D-Index: 15 scientists 85 D-Index: 15 scientists 86 D-Index: 19 scientists 87 D-Index: 19 scientists 88 D-Index: 12 scientists 89 D-Index: 7 scientists 90 D-Index: 19 scientists 91 D-Index: 20 scientists 92 D-Index: 13 scientists 93 D-Index: 9 scientists 94 D-Index: 13 scientists 95 D-Index: 8 scientists 96 D-Index: 7 scientists 97 D-Index: 6 scientists 98 D-Index: 6 scientists 99 D-Index: 6 scientists 100+ D-Index: 97 scientists
30 D-Index 100+

This scientist: 59 D-Index — 81st percentile

81% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 100 D-Index or more.

View D-Index distribution as a table
Number of Social Sciences and Humanities scientists by D-index, Research.com 2026 ranking edition. Based on 7,777 ranked scientists.
D-Index Scientists This scientist
30 177
31 210
32 222
33 188
34 181
35 243
36 261
37 272
38 278
39 300
40 297
41 308
42 313
43 300
44 269
45 260
46 228
47 251
48 203
49 186
50 187
51 166
52 138
53 141
54 131
55 137
56 109
57 129
58 95
59 105 59
60 106
61 86
62 94
63 77
64 79
65 59
66 68
67 51
68 49
69 40
70 43
71 40
72 50
73 46
74 43
75 45
76 45
77 30
78 25
79 31
80 29
81 18
82 21
83 26
84 15
85 15
86 19
87 19
88 12
89 7
90 19
91 20
92 13
93 9
94 13
95 8
96 7
97 6
98 6
99 6
100+ 97
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Overview

David Challis is affiliated with the University of Nottingham in the United Kingdom. Their research primarily spans the fields of Health Professions and Social Sciences, with a notable focus on General Health Professions, Education, Clinical Psychology, Psychiatry and Mental Health, and Sociology and Political Science. The hierarchy and breadth of these research areas reflect an interdisciplinary approach aimed at health-related social challenges.

The scientist's main topics of work include Geriatric Care and Nursing Homes, Healthcare Innovation and Challenges, Health Systems, Economic Evaluations, and Quality of Life. Additional prominent themes in their research encompass Dementia and Cognitive Impairment, Interprofessional Education and Collaboration, Psychiatric Care and Mental Health Services, as well as Intergenerational Family Dynamics and Caregiving.

Among their frequent publication venues are the Journal of Long-Term Care and Zenodo (CERN European Organization for Nuclear Research), both with five publications each. Other venues include Research Square, the International Journal of Geriatric Psychiatry, and Programme Grants for Applied Research.

David Challis has collaborated extensively with several coauthors, including Jane Hughes, Martin Orrell, Tom Pierse, Fiona Keogh, and Eamon O'Shea. These collaborators have contributed to a range of studies often intersecting across health and social care topics.

Recent publications include:

  • Community Occupational Therapy for people with dementia and family carers (COTiD-UK) versus treatment as usual (Valuing Active Life in Dementia [VALID]) study: A single-blind, randomised controlled trial (2021, PLoS Medicine)
  • Dementia and mild cognitive impairment in prisoners aged over 50 years in England and Wales: a mixed-methods study (2020, Health Services and Delivery Research)
  • The older prisoner health and social care assessment and plan (OHSCAP) versus treatment as usual: a randomised controlled trial (2021, BMC Public Health)
  • The Dementia Early Stage Cognitive Aids New Trial (DESCANT) intervention: A goal attainment scaling approach to promote self-management (2020, International Journal of Geriatric Psychiatry)
  • Components, impacts and costs of dementia home support: a research programme including the DESCANT RCT (2021, Programme Grants for Applied Research)

Best Publications

  • Core outcome measures for interventions to prevent or slow the progress of dementia for people living with mild to moderate dementia: Systematic review and consensus recommendations

    Lucy Webster;Derek Groskreutz;Anna Grinbergs-Saull Grinbergs-Saull;Rob Howard

  • Evaluation of the Individual Budgets Pilot Programme: Final Report

    Caroline Glendinning;David Challis;José-Luis Fernández;Sally Jacobs

  • Evaluation of the Individual Budgets Pilot Programme

    C Glendinning;DJ Challis;J. L. Fernandez;SR Jacobs

  • Case Management in Community Care

    David J. Challis;Bleddyn P. Davies

  • Causes of nursing home placement for older people with dementia: a systematic review and meta-analysis.

    Sandeep Toot;Tom Swinson;Mike Devine;David Challis

  • The needs of older people with dementia in residential care

    Geraldine A Hancock;Bob Woods;David Challis;Martin Orrell

  • 'Not knowing where I am doesn't mean I don't know what I like': cognitive impairment and quality of life responses in elderly people.

    Caroline Godlove Mozley;Peter Huxley;Caroline Sutcliffe;Heather Bagley

  • Matching Resources to Needs in Community Care: An Evaluated Demonstration of a Long-Term Care Model

    Bleddyn Davies;David Challis

  • Case management approaches to home support for people with dementia.

    Siobhan Reilly;Claudia Miranda-Castillo;Reem Malouf;Juanita Hoe

  • Activities of daily living and quality of life across different stages of dementia: a UK study

    Clarissa M. Giebel;Caroline Sutcliffe;David Challis

  • Changes in the Quality of Life of People With Dementia Living in Care Homes

    Juanita Hoe;Geraldine Hancock;Gill Livingston;Bob Woods

  • A European study investigating patterns of transition from home care towards institutional dementia care: the protocol of a RightTimePlaceCare study.

    Hilde Verbeek;Gabriele Meyer;Helena Leino-Kilpi;Adelaida Zabalegui

  • Care management, dementia care and specialist mental health services: an evaluation.

    David J. Challis;Richard von Abendorff;Pamela Brown;John Chesterman

  • Recognition of depression by staff in nursing and residential homes.

    Heather Bagley;Lis Cordingley;Alistair Burns;Caroline Godlove Mozley

  • The needs of people with dementia in care homes: the perspectives of users, staff and family caregivers.

    Martin Orrell;Geraldine A. Hancock;Kumari C. Galboda Liyanage;Bob Woods

  • Care Management and Health Care of Older People: The Darlington Community Care Project

    David Challis

  • Deterioration of basic activities of daily living and their impact on quality of life across different cognitive stages of dementia: a European study

    Clarissa M. Giebel;Caroline Sutcliffe;Minna Stolt;Staffan Karlsson

  • Costs of care for people with dementia just before and after nursing home placement: primary data from eight European countries

    Ansgar Wübker;Sandra Zwakhalen;David Challis;Riitta Suhonen

  • Care Staff working with people with dementia: Training, knowledge and confidence

    Jane Hughes;Heather Bagley;Siobhan Reilly;Alistair Burns

  • Impact of technological, organizational and human resource investments on employee and manufacturing performance: Australian and New Zealand evidence

    D. Challis;D. Samson;B. Lawson

  • Matching Resources to Needs in Community Care

    Bleddyn P. Davies;David J. Challis

Frequent Co-Authors

Jane M. Hughes
Jane M. Hughes Griffith University
Martin Knapp
Martin Knapp London School of Economics and Political Science
Alistair Burns
Alistair Burns University of Manchester
Graham Dunn
Graham Dunn University of Manchester
Ann Netten
Ann Netten University of Kent
Martin Orrell
Martin Orrell University of Nottingham
Jill Manthorpe
Jill Manthorpe King's College London
Caroline Glendinning
Caroline Glendinning University of York
Peter Huxley
Peter Huxley Bangor University
Roger T. Webb
Roger T. Webb University of Manchester

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