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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Psychology 55 4334 4005 23 20 124 15561

Ted Ruffman publications per year

The chart shows the history of publications by Ted Ruffman between 1989 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Ted Ruffman published across 37 years, from 1989 to 2025, averaging 4 papers a year. Output peaked at 11 publications in 2016. 13 of the 147 publications appeared in the last two years.

No. of publications
2 4 6 8 10
Bar chart. Horizontal axis: year, 1989 to 2025. Vertical axis: number of publications, 0 to 11. Peak 11 publications in 2016. 1989: 1 publication 1990: 0 publications 1991: 1 publication 1992: 0 publications 1993: 2 publications 1994: 2 publications 1995: 0 publications 1996: 3 publications 1997: 0 publications 1998: 2 publications 1999: 2 publications 2000: 0 publications 2001: 6 publications 2002: 4 publications 2003: 1 publication 2004: 3 publications 2005: 5 publications 2006: 4 publications 2007: 1 publication 2008: 4 publications 2009: 6 publications 2010: 5 publications 2011: 4 publications 2012: 4 publications 2013: 7 publications 2014: 8 publications 2015: 5 publications 2016: 11 publications 2017: 8 publications 2018: 4 publications 2019: 3 publications 2020: 9 publications 2021: 4 publications 2022: 6 publications 2023: 9 publications 2024: 7 publications 2025: 6 publications
1989 2025

147 publications in total across all disciplines

View publications per year as a table
Ted Ruffman: publications per year, 1989 to 2025
Year Publications
1989 1
1990 0
1991 1
1992 0
1993 2
1994 2
1995 0
1996 3
1997 0
1998 2
1999 2
2000 0
2001 6
2002 4
2003 1
2004 3
2005 5
2006 4
2007 1
2008 4
2009 6
2010 5
2011 4
2012 4
2013 7
2014 8
2015 5
2016 11
2017 8
2018 4
2019 3
2020 9
2021 4
2022 6
2023 9
2024 7
2025 6
Total 147
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Ted Ruffman 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 Ted Ruffman 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, 121–130 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: 124 publications — 35th percentile

35% 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
121–130 670 124
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
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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Ted Ruffman 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 Ted Ruffman 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, 54–55 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: 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.

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 55
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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Overview

Ted Ruffman is affiliated with the University of Otago in New Zealand and has contributed extensively to research primarily in psychology and social sciences. Their scholarly output includes work published in prominent venues and collaborations with various researchers in related fields.

Their research covers several main fields of study:

  • Psychology
  • Social Sciences

Within these broader fields, Ted Ruffman's work is focused on key subfields such as:

  • Social Psychology
  • Cognitive Neuroscience
  • Sociology and Political Science
  • Developmental and Educational Psychology
  • Clinical Psychology

The main research topics addressed by Ted Ruffman include:

  • Social and Intergroup Psychology
  • Child and Animal Learning Development
  • Cultural Differences and Values
  • Child and Adolescent Psychosocial and Emotional Development
  • Aging and Gerontology Research
  • Face Recognition and Perception
  • Neuroendocrine regulation and behavior

Ted Ruffman has co-authored frequently with several researchers, including:

  • Damian Scarf
  • Kangning Du
  • John Hunter
  • Qiuyi Kong
  • Virginia Slaughter

Their research has appeared in multiple scientific journals, with several publications in:

  • Scientific Reports
  • PLoS ONE
  • Infant and Child Development
  • Developmental Psychology
  • Neuroscience & Biobehavioral Reviews

Notable recent papers by Ted Ruffman include:

  • "Belief it or not: How children construct a theory of mind," 2023, Child Development Perspectives
  • "General cognitive decline does not account for older adults' worse emotion recognition and theory of mind," 2022, Scientific Reports
  • "RWAc and SDOc: The measurement of right-wing authoritarianism and social dominance orientation in childhood," 2020, Social Development

Other relevant papers contributing to the broader field but with other lead authors include:

  • "Music Making and Neuropsychological Aging: A Review," 2020, Neuroscience & Biobehavioral Reviews
  • "A meta-analytic review on the social-emotional intelligence correlates of the six bullying roles: Bullies, followers, victims, bully-victims, defenders, and outsiders," 2022, Psychological Bulletin

Best Publications

  • The relation between children's and mothers' mental state language and theory-of-mind understanding.

    Ted Ruffman;Lance Slade;Elena Crowe

  • Theory of mind is contagious - you catch it from your sibs

    Josef Perner;Ted Ruffman;Susan R. Leekam

  • A meta-analytic review of emotion recognition and aging: Implications for neuropsychological models of aging

    Ted Ruffman;Julie D. Henry;Vicki Livingstone;Louise H. Phillips

  • Older (but not younger) siblings facilitate false belief understanding.

    Ted Ruffman;Josef Perner;Mika Naito;Lindsay Parkin

  • Infants' Insight into the Mind: How Deep?

    Josef Perner;Ted Ruffman

  • Mother and infant talk about mental states relates to desire language and emotion understanding.

    Mele Taumoepeau;Ted Ruffman

  • Stepping Stones to Others’ Minds: Maternal Talk Relates to Child Mental State Language and Emotion Understanding at 15, 24, and 33 Months

    Mele Taumoepeau;Ted Ruffman

  • A meta-analytic review of age differences in theory of mind

    Julie D. Henry;Louise H. Phillips;Ted Ruffman;Phoebe E. Bailey

  • Theory of mind and prosocial behavior in childhood: A meta-analytic review.

    Kana Imuta;Julie D. Henry;Virginia Slaughter;Bilge Selcuk

  • How Parenting Style Affects False Belief Understanding

    Ted Ruffman;Josef Perner;Lindsay Parkin

  • EMOTION RECOGNITION DEFICITS IN THE ELDERLY

    Susan Sullivan;Ted Ruffman

  • How language relates to belief, desire, and emotion understanding

    Ted Ruffman;Ted Ruffman;Lance Slade;Kate Rowlandson;Charlotte Rumsey

  • How language does (and does not) relate to theory of mind: A longitudinal study of syntax, semantics, working memory and false belief

    Lance Slade;Lance Slade;Ted Ruffman;Ted Ruffman

  • Does Eye Gaze Indicate Implicit Knowledge of False Belief? Charting Transitions in Knowledge

    Ted Ruffman;Wendy Garnham;Arlina Import;Dan Connolly

  • Social understanding: how does it fare with advancing years?

    Susan Sullivan;Ted Ruffman;Ted Ruffman

  • Age Differences in Emotion Recognition Skills and the Visual Scanning of Emotion Faces

    Susan Sullivan;Ted Ruffman;Samuel B Hutton

  • What mothers say and what they do: The relation between parenting, theory of mind, language and conflict/cooperation

    Ted Ruffman;Ted Ruffman;Lance Slade;Kerry Devitt;Elena Crowe

  • Is there a Gender Difference in False Belief Development

    Tony Charman;Ted Ruffman;Wendy Clements

  • Iodine supplementation improves cognition in mildly iodine-deficient children

    Rosie C Gordon;Meredith C Rose;Sheila A Skeaff;Andrew R Gray

  • To belief or not belief: Children’s theory of mind

    Ted Ruffman

  • Reflecting on Scientific Thinking: Children's Understanding of the Hypothesis-Evidence Relation

    Ted Ruffman;Josef Perner;David R. Olson;Martin Doherty

Frequent Co-Authors

Peter G. Rendell
Peter G. Rendell University of Queensland
Julie D. Henry
Julie D. Henry University of Queensland
Jamin Halberstadt
Jamin Halberstadt University of Otago
Josef Perner
Josef Perner University of Salzburg
Kerry S. O'Brien
Kerry S. O'Brien Monash University
Louise H. Phillips
Louise H. Phillips University of Aberdeen
Virginia Slaughter
Virginia Slaughter University of Queensland
David R. Olson
David R. Olson University of Toronto
Samuel B. Hutton
Samuel B. Hutton University of Sussex
Henry Brodaty
Henry Brodaty University of New South Wales

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