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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Psychology 44 6870 6403 3725 3386 112 10267

Sumie Okazaki publications per year

The chart shows the history of publications by Sumie Okazaki between 1990 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Sumie Okazaki published across 36 years, from 1990 to 2025, averaging 3.8 papers a year. Output peaked at 15 publications in 2018. 8 of the 137 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1990 to 2025. Vertical axis: number of publications, 0 to 15. Peak 15 publications in 2018. 1990: 1 publication 1991: 1 publication 1992: 0 publications 1993: 0 publications 1994: 1 publication 1995: 3 publications 1996: 0 publications 1997: 2 publications 1998: 3 publications 1999: 0 publications 2000: 5 publications 2001: 1 publication 2002: 13 publications 2003: 5 publications 2004: 2 publications 2005: 1 publication 2006: 8 publications 2007: 1 publication 2008: 1 publication 2009: 10 publications 2010: 4 publications 2011: 5 publications 2012: 2 publications 2013: 6 publications 2014: 9 publications 2015: 7 publications 2016: 2 publications 2017: 4 publications 2018: 15 publications 2019: 2 publications 2020: 5 publications 2021: 2 publications 2022: 3 publications 2023: 5 publications 2024: 5 publications 2025: 3 publications
1990 2025

137 publications in total across all disciplines

View publications per year as a table
Sumie Okazaki: publications per year, 1990 to 2025
Year Publications
1990 1
1991 1
1992 0
1993 0
1994 1
1995 3
1996 0
1997 2
1998 3
1999 0
2000 5
2001 1
2002 13
2003 5
2004 2
2005 1
2006 8
2007 1
2008 1
2009 10
2010 4
2011 5
2012 2
2013 6
2014 9
2015 7
2016 2
2017 4
2018 15
2019 2
2020 5
2021 2
2022 3
2023 5
2024 5
2025 3
Total 137
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Sumie Okazaki publications per year - data summary

  • Sumie Okazaki, a Psychology scholar from New York University, has 137 publications recorded across 36 years, from 1990 to 2025.
  • The oldest publication on record dates to 1990 and the most recent to 2025.
  • The most productive year is 2018, with 15 publications.
  • The least productive years with any output are 1990, 1991, 1994, 2001 and others, with 1 publication each.
  • 4 of the 36 years in the span carry no publications at all (1992, 1993, 1996 and 1999).
  • The rate of publication averages 3.8 papers per year over the whole span, or 4.3 per year counting only the 32 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 18 publications, 13% of the career total.
  • Split into equal eras - 1990-2001: 17 publications (1.4 per year); 2002-2013: 58 publications (4.8 per year); 2014-2025: 62 publications (5.2 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Sumie Okazaki 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 Sumie Okazaki 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, 111–120 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: 112 publications — 28th percentile

28% 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
111–120 686 112
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
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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Sumie Okazaki 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.
  • Sumie Okazaki, a Psychology scholar from New York University, records 112 publications - the 28th percentile of the discipline.
  • 28% of ranked Psychology scientists score the same or lower than Sumie Okazaki, and about 72% score higher.
  • The median of the discipline falls in the 151–160 publications range, and Sumie Okazaki ranks below 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).

Sumie Okazaki 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 Sumie Okazaki 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, 44–45 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: 44 D-Index — 41st percentile

41% 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 44
46–47 495
48–49 487
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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Sumie Okazaki 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.
  • Sumie Okazaki, a Psychology scholar from New York University, records 44 D-Index - the 41st percentile of the discipline.
  • 41% of ranked Psychology scientists score the same or lower than Sumie Okazaki, and about 59% score higher.
  • The median of the discipline falls in the 48–49 D-Index range, and Sumie Okazaki ranks below the median.
  • 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).

Research.com Recognitions

  • 2008 - Fellow of the American Psychological Association (APA)

Overview

Sumie Okazaki is affiliated with New York University in the United States. Their research primarily spans the fields of Social Sciences and Psychology, with a notable focus on subfields including Sociology and Political Science, Clinical Psychology, Education, Social Psychology, and Safety Research.

Their work addresses several main topics, notably:

  • Racial and Ethnic Identity Research
  • Child and Adolescent Psychosocial and Emotional Development
  • Attachment and Relationship Dynamics
  • Career Development and Diversity
  • Maternal Mental Health During Pregnancy and Postpartum
  • Social and Intergroup Psychology
  • Education Systems and Policy

Some recent significant papers authored or coauthored by Sumie Okazaki include:

  • Disaggregating the data: Diversity of COVID-19 stressors, discrimination, and mental health among Asian American communities, 2022, Frontiers in Public Health
  • Advancing Research Within Asian American Psychology Using Asian Critical Race Theory and an Asian Americanist Perspective, 2021, Journal of Humanistic Psychology
  • Individual variations in stress response to racial microaggressions among Asian Americans, 2020, Asian American Journal of Psychology
  • What is career success? A new Asian American psychology of working, 2021, American Psychologist
  • A cognitive script perspective on how early caregiving experiences inform adolescent peer relationships and loneliness: A 14-year longitudinal study of Chinese families, 2024, Developmental Science

Sumie Okazaki has frequently published in venues such as:

  • PsycEXTRA Dataset
  • New York University Press eBooks
  • Frontiers in Public Health
  • Journal of Humanistic Psychology
  • Developmental Science

Their collaborations include frequent coauthors such as:

  • Nancy Abelmann
  • Aakriti Prasai
  • Doris F. Chang
  • Christina Seowoo Lee
  • Nari Yoo

Sumie Okazaki was recognized as a Fellow of the American Psychological Association (APA) in 2008.

Best Publications

  • Asian-American educational achievements: A phenomenon in search of an explanation.

    Stanley Sue;Sumie Okazaki

  • Self-concealment, social self-efficacy, acculturative stress, and depression in African, Asian, and Latin American international college students.

    Madonna G. Constantine;Sumie Okazaki;Shawn O. Utsey

  • Sources of ethnic differences between Asian American and white American college students on measures of depression and social anxiety.

    Sumie Okazaki

  • The What, the Why, and the How: A Review of Racial Microaggressions Research in Psychology

    Gloria Wong;Annie O. Derthick;E. J. R. David;Anne Saw

  • Methodological issues in assessment research with ethnic minorities.

    Sumie Okazaki;Stanley Sue

  • Influences of culture on Asian Americans' sexuality.

    Sumie Okazaki

  • Colonial mentality: A review and recommendation for Filipino American psychology

    E. J. R. David;Sumie Okazaki

  • Unidimensional versus multidimensional approaches to the assessment of acculturation for Asian American populations.

    Jennifer Abe-Kim;Sumie Okazaki;Sharon G. Goto

  • Bicultural self-efficacy among college students: Initial scale development and mental health correlates.

    E. J. R. David;Sumie Okazaki;Anne Saw

  • A Qualitative Investigation of the Cultural Adjustment Experiences of Asian International College Women.

    Madonna G. Constantine;Mai Kindaichi;Sumie Okazaki;Kathy A. Gainor

  • The Colonial Mentality Scale (CMS) for Filipino Americans: Scale Construction and Psychological Implications

    E. J. R. David;Sumie Okazaki

  • Asian American and White American Differences on Affective Distress Symptoms Do Symptom Reports Differ Across Reporting Methods

    Sumie Okazaki

  • Attitudes toward mental health services: Age-group differences in Korean American adults

    Yuri Jang;David A. Chiriboga;Sumie Okazaki

  • Colonialism and Psychology of Culture

    Sumie Okazaki;E. J. R. David;Nancy Abelmann

  • Social and Emotional Parenting: Mothering in a Changing Chinese Society

    Niobe Way;Sumie Okazaki;Jing Zhao;Joanna J. Kim

  • Asian American Mental Health: Assessment Theories And Methods

    Karen S. Kurasaki;Sumie Okazaki;Stanley Sue

  • Impact of Racism on Ethnic Minority Mental Health

    Sumie Okazaki

  • Opposite Ends of the Same Stick? Multi-Method Test of the Dimensionality of Individualism and Collectivism

    Vas Taras;Riikka Sarala;Paul Muchinsky;Markus Kemmelmeier

  • Gender, family, and community correlates of mental health in South Asian Americans.

    Nausheen Masood;Sumie Okazaki;David T. Takeuchi

  • Asian American-White American differences in expressions of social anxiety: A replication and extension

    Sumie Okazaki;Joyce F. Liu;Sandra L. Longworth;Janice Y. Minn

Frequent Co-Authors

Stanley Sue
Stanley Sue Palo Alto University
Frederick T. L. Leong
Frederick T. L. Leong Chinese University of Hong Kong, Shenzhen
Anna S. Lau
Anna S. Lau University of California, Los Angeles
Gordon C. Nagayama Hall
Gordon C. Nagayama Hall University of Oregon
Niobe Way
Niobe Way New York University
Madonna G. Constantine
Madonna G. Constantine Columbia University
Guillermo Bernal
Guillermo Bernal University of Puerto Rico
Xinyin Chen
Xinyin Chen University of Pennsylvania
Richard M. Lee
Richard M. Lee University of Minnesota
David A. Chiriboga
David A. Chiriboga University of South Florida

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