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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Psychology 60 3562 3284 382 362 165 12448

Gillian E. Hardy publications per year

The chart shows the history of publications by Gillian E. Hardy between 1982 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Gillian E. Hardy published across 44 years, from 1982 to 2025, averaging 4.3 papers a year. Output peaked at 17 publications in 2017. 8 of the 187 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1982 to 2025. Vertical axis: number of publications, 0 to 17. Peak 17 publications in 2017. 1982: 2 publications 1983: 0 publications 1984: 0 publications 1985: 1 publication 1986: 0 publications 1987: 0 publications 1988: 1 publication 1989: 0 publications 1990: 3 publications 1991: 1 publication 1992: 4 publications 1993: 1 publication 1994: 8 publications 1995: 6 publications 1996: 10 publications 1997: 3 publications 1998: 5 publications 1999: 5 publications 2000: 1 publication 2001: 4 publications 2002: 2 publications 2003: 4 publications 2004: 6 publications 2005: 6 publications 2006: 6 publications 2007: 5 publications 2008: 6 publications 2009: 2 publications 2010: 8 publications 2011: 7 publications 2012: 4 publications 2013: 7 publications 2014: 8 publications 2015: 3 publications 2016: 5 publications 2017: 17 publications 2018: 3 publications 2019: 10 publications 2020: 6 publications 2021: 4 publications 2022: 1 publication 2023: 4 publications 2024: 1 publication 2025: 7 publications
1982 2025

187 publications in total across all disciplines

View publications per year as a table
Gillian E. Hardy: publications per year, 1982 to 2025
Year Publications
1982 2
1983 0
1984 0
1985 1
1986 0
1987 0
1988 1
1989 0
1990 3
1991 1
1992 4
1993 1
1994 8
1995 6
1996 10
1997 3
1998 5
1999 5
2000 1
2001 4
2002 2
2003 4
2004 6
2005 6
2006 6
2007 5
2008 6
2009 2
2010 8
2011 7
2012 4
2013 7
2014 8
2015 3
2016 5
2017 17
2018 3
2019 10
2020 6
2021 4
2022 1
2023 4
2024 1
2025 7
Total 187
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Gillian E. Hardy 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 Gillian E. Hardy 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, 161–170 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: 165 publications — 56th percentile

56% 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
161–170 477 165
171–180 450
181–190 397
191–200 343
201–210 328
211–220 313
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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Gillian E. Hardy 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 Gillian E. Hardy 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, 60–61 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: 60 D-Index — 70th percentile

70% 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
50–51 445
52–53 390
54–55 408
56–57 345
58–59 325
60–61 321 60
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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Overview

Gillian E. Hardy is affiliated with the University of Sheffield in the United Kingdom. Their research spans multiple areas within psychology and health professions, with a particular focus on clinical psychology and related subfields.

The main fields of study represented in their work include:

  • Psychology
  • Health Professions

Detailed subfields of study consist of:

  • Clinical Psychology
  • General Health Professions
  • Experimental and Cognitive Psychology
  • Social Psychology
  • Applied Psychology

Hardy's research addresses a variety of mental health topics, including:

  • Mental Health Research Topics
  • Psychotherapy Techniques and Applications
  • Mental Health Treatment and Access
  • Digital Mental Health Interventions
  • Personality Disorders and Psychopathology
  • Mental Health and Psychiatry
  • Mental Health and Patient Involvement

They have published in several academic venues multiple times, with frequent publications in:

  • Psychotherapy Research
  • Journal of Medical Internet Research
  • Counselling and Psychotherapy Research
  • The Lancet Psychiatry
  • The Cognitive Behaviour Therapist

Selected recent papers by Gillian E. Hardy include:

  • Usability, Acceptability, and Effectiveness of Web-Based Conversational Agents to Facilitate Problem Solving in Older Adults: Controlled Study (2020, Journal of Medical Internet Research)
  • Therapist personality traits as predictors of psychological treatment outcomes (2020, Psychotherapy Research)
  • Person-centred experiential therapy versus cognitive behavioural therapy delivered in the English Improving Access to Psychological Therapies service for the treatment of moderate or severe depression (PRaCTICED): a pragmatic, randomised, non-inferiority trial (2021, The Lancet Psychiatry)
  • Cultural adaptations of cognitive behavioural therapy for Latin American patients: unexpected findings from a systematic review (2020, The Cognitive Behaviour Therapist)
  • Acceptability and Effectiveness of NHS-Recommended e-Therapies for Depression, Anxiety, and Stress: Meta-Analysis (2020, Journal of Medical Internet Research)

The frequent coauthors collaborating with Hardy include:

  • Michael Barkham
  • Stephen Kellett
  • D. H. Saxon
  • Glenn Waller
  • Matthew Russell Bennion

Best Publications

  • Effects of treatment duration and severity of depression on the effectiveness of cognitive-behavioral and psychodynamic-interpersonal psychotherapy.

    David A. Shapiro;Michael Barkham;Anne Rees;Gillian E. Hardy

  • ASSIMILATION OF PROBLEMATIC EXPERIENCES BY CLIENTS IN PSYCHOTHERAPY

    William B. Stiles;Robert Elliott;Susan P. Llewelyn;Jenny A. Firth-Cozens

  • The IIP-32 : A short version of the Inventory of Interpersonal Problems

    Michael Barkham;Gillian E. Hardy;Michael Startup

  • Minor psychiatric disorder in NHS Trust staff::Occupational and gender differences

    T D Wall;R I Bolden;C S Borrill;A J Carter

  • Patterns of alliance development and the rupture-repair hypothesis: Are productive relationships U-shaped or V-shaped?

    William B. Stiles;Meredith J. Glick;Katerine Osatuke;Gillian E. Hardy

  • Dose-Effect Relations in Time-Limited Psychotherapy for Depression

    Michael Barkham;Anne Rees;William B. Stiles;David A. Shapiro

  • Evaluation and Description of Psychotherapy Sessions by Clients Using the Session Evaluation Questionnaire and the Session Impacts Scale.

    William B. Stiles;Shirley Reynolds;Gillian E. Hardy;Anne Rees

  • The impact of psychological distress on absence from work.

    Gillian E Hardy;David Woods;Toby D Wall

  • Early sudden gains in psychotherapy under routine clinic conditions: practice-based evidence.

    William B. Stiles;Chris Leach;Michael Barkham;Mike Lucock

  • Effects of Treatment Duration and Severity of Depression on the Maintenance of Gains after Cognitive-Behavioral and Psychodynamic-Interpersonal Psychotherapy.

    David A. Shapiro;Anne Rees;Michael Barkham;Gillian Hardy

  • Validation of the General Health Questionnaire-12: Using a sample of employees from England's health care services.

    Gillian E. Hardy;David A. Shapiro;Clare E. Haynes;Jo E. Rick

  • Developing and delivering practice-based evidence : a guide for the psychological therapies

    Michael Barkham;Gillian E. Hardy;John Mellor-Clark

  • Alliance structure assessed by the Agnew Relationship Measure (ARM)

    Roxanne Agnew-Davies;William B. Stiles;Gillian E. Hardy;Michael Barkham

  • Self-reported attachment styles and therapeutic orientation of therapists and their relationship with reported general alliance quality and problems in therapy.

    Susanna Black;Gillian Hardy;Graham Turpin;Glenys Parry

  • Impact of Cluster C Personality Disorders on Outcomes of Contrasting Brief Psychotherapies for Depression.

    Gillian E. Hardy;Michael Barkham;David A. Shapiro;William B. Stiles

  • Fatigue in the workforce of national health service trusts: Levels of symptomatology and links with minor psychiatric disorder, demographic, occupational and work role factors

    G.E. Hardy;D.A. Shapiro;C.S. Borrill

  • Client perceptions of significant events in prescriptive and exploratory periods of individual therapy.

    Susan P. Llewelyn;Robert Elliott;David A. Shapiro;Gillian Hardy

  • An Exploration of Psychological Well-being with Young Somali Refugee and Asylum-seeker Women:

    Sara Whittaker;Gillian Hardy;Kathryn Lewis;Linda Buchan

  • Therapist competence and outcome of Cognitive Therapy for depression

    Chris Trepka;Anne Rees;David A. Shapiro;David A. Shapiro;Gillian E. Hardy

  • Sudden Gains in Cognitive Therapy for Depression: A Replication and Extension

    Gillian E. Hardy;Jane Cahill;William B. Stiles;Caroline Ispan

Frequent Co-Authors

Michael Barkham
Michael Barkham University of Sheffield
William B. Stiles
William B. Stiles Miami University
David Shapiro
David Shapiro Pennsylvania State University
Shirley Reynolds
Shirley Reynolds University of Reading
Janice Connell
Janice Connell University of Sheffield
Stephen Kellett
Stephen Kellett University of Sheffield
Peter Bower
Peter Bower University of Manchester
Michael West
Michael West Duke University
Glenys Parry
Glenys Parry University of Sheffield

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