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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Psychology 39 8604 8038 4587 4178 105 5914

Karen M. O'Brien publications per year

The chart shows the history of publications by Karen M. O'Brien between 1993 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Karen M. O'Brien published across 33 years, from 1993 to 2025, averaging 3.5 papers a year. Output peaked at 9 publications in 2013. 4 of the 114 publications appeared in the last two years.

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

114 publications in total across all disciplines

View publications per year as a table
Karen M. O'Brien: publications per year, 1993 to 2025
Year Publications
1993 2
1994 3
1995 1
1996 4
1997 2
1998 3
1999 1
2000 3
2001 1
2002 5
2003 4
2004 2
2005 2
2006 5
2007 3
2008 1
2009 3
2010 0
2011 6
2012 2
2013 9
2014 6
2015 1
2016 4
2017 6
2018 4
2019 4
2020 8
2021 7
2022 4
2023 4
2024 2
2025 2
Total 114
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Karen M. O'Brien 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 Karen M. O'Brien 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, 101–110 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: 105 publications — 23rd percentile

23% 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
101–110 736 105
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
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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Karen M. O'Brien 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 Karen M. O'Brien 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, 38–39 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: 39 D-Index — 27th percentile

27% 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 39
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
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

Karen M. O'Brien is affiliated with the University of Maryland, College Park in the United States. Their research centers primarily on the field of psychology, with a substantial focus on clinical psychology. They have contributed scholarly work that intersects with public health, environmental and occupational health, social psychology, sociology and political science, and general health professions.

The main topics addressed in their research include grief, bereavement, and mental health; migration, health, and trauma; palliative care and end-of-life issues; posttraumatic stress disorder research; mental health treatment and access; work-family balance challenges; and child and adolescent psychosocial and emotional development.

Karen M. O'Brien has published extensively in several academic venues. Notable publication venues include:

  • The Counseling Psychologist
  • OMEGA - Journal of Death and Dying
  • Journal of Prevention and Health Promotion
  • PsycEXTRA Dataset
  • Crisis

Recent papers by Karen M. O'Brien and associates include:

  • "Bereaved College Students: Social Support, Coping Style, Continuing Bonds, and Social Media Use as Predictors of Complicated Grief and Posttraumatic Growth," 2020, published in OMEGA - Journal of Death and Dying
  • "Assessing Knowledge and Predicting Grief Counseling Skills Among University Counseling Center Therapists," 2021, published in The Counseling Psychologist
  • "The Good Mothering Expectations Scale: An International Instrument Development Study," 2020, published in The Counseling Psychologist
  • "Black Grief Matters: Undergraduate Students' Experiences Grieving Police Murders of Black Americans," 2023, published in The Counseling Psychologist
  • "Evaluating a Recovery-Oriented Intensive Outpatient Program for Veterans at Risk for Suicide," 2020, published in Crisis

Their collaborations involve frequent co-authorship with several researchers, including:

  • Greta Jankauskaite
  • NaYeon Yang
  • Sung-Kyung Yoo
  • Erin M. Hill
  • Nazish M. Salahuddin

Best Publications

  • The career development of Mexican American adolescent women: A test of social cognitive career theory.

    Lisa Y. Flores;Karen M. O'Brien

  • Negotiating Relationally: The Dynamics of the Relational Self in Negotiations

    Michelle J Gelfand;Virginia Smith Major;Jana L Raver;Lisa Hisae Nishii

  • Career Development of Women of Color and White Women: Assumptions, Conceptualization, and Interventions From an Ecological Perspective

    Ellen P. Cook;Mary J. Heppner;Karen M. O'Brien

  • The Influence of Psychological Separation and Parental Attachment on the Career Development of Adolescent Women.

    Karen M. O'Brien

  • A causal model of the career orientation and career choice of adolescent women

    Karen M. O'Brien;Ruth E. Fassinger

  • Attachment, separation, and women's vocational development: A longitudinal analysis.

    Karen M. O'Brien;Suzanne Miller Friedman;Linda C. Tipton;Sonja Geschmay Linn

  • The Career Counseling Self-Efficiency Scale: Instrument development and training applications.

    Karen M. O'Brien;Mary J. Heppner;Lisa Y. Flores;Lynette Heim Bikos

  • Psychological Health and Meaning in Life Stress, Social Support, and Religious Coping in Latina/Latino Immigrants

    Marianne G. Dunn;Karen M. O'Brien

  • Advancing the Assessment of Women's Career Choices: The Career Aspiration Scale

    Michael P. Gray;Karen M. O'Brien

  • The Practice of Adoption History, Trends, and Social Context

    Kathy P. Zamostny;Karen M. O'Brien;Amanda L. Baden;Mary O'Leary Wiley

  • Predictors of Student and Career Decision-Making Self-Efficacy Among Nontraditional College Women

    Julie L. Quimby;Karen M. O'Brien

  • Multicultural counselor training: Students' perceptions of helpful and hindering events.

    Mary J. Heppner;Karen M. O'brien

  • The role of person-environment fit in the job satisfaction and tenure intentions of african american employees

    Heather Z. Lyons;Karen M. O'Brien

  • Understanding stress and burnout in shelter workers.

    Chris Brown;Karen M. O'Brien

  • Predictors of Well-Being Among Nontraditional Female Students With Children

    Julie L. Quimby;Karen M. O'Brien

  • The Legacy of Parsons: Career Counselors and Vocational Psychologists as Agents of Social Change.

    Karen M. O'Brien

  • Training Counseling Psychologists in Career Development Are We Our Own Worst Enemies

    Mary J. Heppner;Karen M. O'Brien;Jeanne M. Hinkelman;Lisa Y Flores

  • Sexual attraction toward clients, use of supervision, and prior training : A qualitative study of predoctoral psychology interns

    Nicholas Ladany;Karen M. O'Brien;Clara E. Hill;Deborah S. Melincoff

  • Enhancing the Career Decision-Making Self-Efficacy of Upward Bound Students:

    Karen M. O'Brien;Lynette Heim Bikos;Kimberly L. Epstein;Lisa Y. Flores

  • Work, family, support, and depression: employed mothers in Israel, Korea, and the United States.

    Karen M. O'Brien;Heather V.Ganginis Del Pino;Sung Kyung Yoo;Rachel Gali Cinamon

Frequent Co-Authors

Mary J. Heppner
Mary J. Heppner University of Missouri
Lisa Y. Flores
Lisa Y. Flores University of Missouri
Aaron B. Rochlen
Aaron B. Rochlen The University of Texas at Austin
Edward P. Lemay
Edward P. Lemay University of Maryland, College Park
Ruth E. Fassinger
Ruth E. Fassinger University of Maryland, College Park
Nicholas Ladany
Nicholas Ladany Lehigh University
Lisa A. Goodman
Lisa A. Goodman Boston College
Bryan S. K. Kim
Bryan S. K. Kim University of Hawaii at Hilo
Charles J. Gelso
Charles J. Gelso University of Maryland, College Park
Robert W. Lent
Robert W. Lent University of Maryland, College Park

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Related Online Degrees & Career Pathways

Pursuing a psychology degree in the USA opens diverse online pathways, including degrees in counseling, mental health, and social work. Each state sets its own licensure requirements for becoming a Licensed Professional Counselor (LPC), impacting both education and future career options. Students considering this route should carefully examine state-specific regulations before selecting their degree program.

For instance, Montana licensed professional counselor requirements spotlight the need for post-graduate supervised experience and specific coursework. Meanwhile, aspiring LPCs must review the lpc licensure requirements in Nebraska, which may differ in terms of required hours and examinations.

In the western US, the Nevada lpc licensure requirements outline expectations around clinical internships, while on the East Coast, the lpc licensure requirements in New Hampshire address additional considerations unique to that state.

As you explore online psychology and counseling degrees, it’s vital to align your studies with your intended career location. Understanding each state’s requirements can help you plan your education for smooth entry into professional counseling roles.

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