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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Psychology 65 2790 2555 1608 1439 192 21703

Kenneth F. Ferraro publications per year

The chart shows the history of publications by Kenneth F. Ferraro between 1980 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Kenneth F. Ferraro published across 46 years, from 1980 to 2025, averaging 5 papers a year. Output peaked at 13 publications in 2012. 22 of the 230 publications appeared in the last two years.

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

230 publications in total across all disciplines

View publications per year as a table
Kenneth F. Ferraro: publications per year, 1980 to 2025
Year Publications
1980 2
1981 2
1982 1
1983 1
1984 4
1985 0
1986 3
1987 6
1988 3
1989 4
1990 3
1991 3
1992 5
1993 2
1994 1
1995 2
1996 5
1997 3
1998 1
1999 3
2000 5
2001 6
2002 2
2003 3
2004 2
2005 3
2006 9
2007 5
2008 5
2009 10
2010 1
2011 10
2012 13
2013 10
2014 9
2015 3
2016 5
2017 8
2018 6
2019 6
2020 6
2021 13
2022 9
2023 5
2024 9
2025 13
Total 230
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Kenneth F. Ferraro publications per year - data summary

  • Kenneth F. Ferraro, a Psychology scholar from Purdue University West Lafayette, has 230 publications recorded across 46 years, from 1980 to 2025.
  • The oldest publication on record dates to 1980 and the most recent to 2025.
  • The most productive years are 2012, 2021 and 2025, with 13 publications each.
  • The least productive years with any output are 1982, 1983, 1994, 1998 and others, with 1 publication each.
  • 1 of the 46 years in the span carries no publications at all (1985).
  • The rate of publication averages 5.0 papers per year over the whole span, or 5.1 per year counting only the 45 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 49 publications, 21% of the career total.
  • Split into equal eras - 1980-1995: 42 publications (2.6 per year); 1996-2011: 73 publications (4.6 per year); 2012-2025: 115 publications (8.2 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Kenneth F. Ferraro 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 Kenneth F. Ferraro 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, 191–200 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: 192 publications — 66th percentile

66% 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
171–180 450
181–190 397
191–200 343 192
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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Kenneth F. Ferraro 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.
  • Kenneth F. Ferraro, a Psychology scholar from Purdue University West Lafayette, records 192 publications - the 66th percentile of the discipline.
  • 66% of ranked Psychology scientists score the same or lower than Kenneth F. Ferraro, and about 34% score higher.
  • The median of the discipline falls in the 151–160 publications range, and Kenneth F. Ferraro ranks above 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).

Kenneth F. Ferraro 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 Kenneth F. Ferraro 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, 64–65 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: 65 D-Index — 76th percentile

76% 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
62–63 248
64–65 290 65
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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Kenneth F. Ferraro 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.
  • Kenneth F. Ferraro, a Psychology scholar from Purdue University West Lafayette, records 65 D-Index - the 76th percentile of the discipline.
  • 76% of ranked Psychology scientists score the same or lower than Kenneth F. Ferraro, and about 24% score higher.
  • The median of the discipline falls in the 48–49 D-Index range, and Kenneth F. Ferraro ranks above 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).

Overview

Kenneth F. Ferraro is affiliated with Purdue University West Lafayette in the United States. Their research contributions predominantly focus on social sciences and medicine, with significant work in health-related fields.

The primary fields of study for Kenneth F. Ferraro include:

  • Social Sciences
  • Medicine

Within these broader areas, their subfields of study encompass:

  • Health
  • General Health Professions
  • Neuropsychology and Physiological Psychology
  • Sociology and Political Science
  • Demography

Their main research topics cover:

  • Health disparities and outcomes
  • Aging and Gerontology Research
  • Employment and Welfare Studies
  • Intergenerational Family Dynamics and Caregiving
  • Global Health Care Issues
  • Psychological Well-being and Life Satisfaction
  • Birth, Development, and Health

Kenneth F. Ferraro has published extensively in several academic venues. The most frequent publication venues are:

  • Innovation in Aging
  • The Journals of Gerontology Series B
  • The Gerontologist
  • Journal of Aging and Health
  • Journal of Health and Social Behavior

Some of their recent papers with publication year and venue include:

  • Digital technology use and depressive symptoms among older adults in Korea: beneficial for those who have fewer social interactions? (2020, Aging & Mental Health)
  • Early Social Origins of Biological Risks for Men and Women in Later Life (2020, Journal of Health and Social Behavior)
  • Childhood Stressors, Relationship Quality, and Cognitive Health in Later Life (2022, The Journals of Gerontology Series B)
  • Diversifying Undergraduate Chemistry Course Pathways to Improve Outcomes for At-Risk Students (2020, Journal of Chemical Education)
  • Are Biological Consequences of Childhood Exposures Detectable in Telomere Length Decades Later? (2020, The Journals of Gerontology Series A)

Frequently collaborating co-authors include:

  • Madison R Sauerteig-Rolston
  • Patricia A. Thomas
  • Shawn Bauldry
  • Mallory J Bell
  • Patricia M. Morton

Best Publications

  • Fear of crime : interpreting victimization risk

    Kenneth F Ferraro

  • The Measurement of Fear of Crime

    Kenneth F. Ferraro;Randy L. Grange

  • Perceived Risk and Fear of Crime: Role of Social and Physical Incivilities:

    Randy L. LaGRANGE;Kenneth F. Ferraro;Michael Supancic

  • Aging and Cumulative Inequality: How Does Inequality Get Under the Skin?

    Kenneth F. Ferraro;Tetyana Pylypiv Shippee

  • Are racial disparities in health conditional on socioeconomic status

    Melissa M. Farmer;Kenneth F. Ferraro

  • Women's Fear of Victimization: Shadow of Sexual Assault?

    Kenneth F. Ferraro

  • Self-ratings of health among the old and the old-old.

    Kenneth F. Ferraro

  • ASSESSING AGE AND GENDER DIFFERENCES IN PERCEIVED RISK AND FEAR OF CRIME

    Randy L. Lagrange;Kenneth F. Ferraro

  • Health trajectories : Long-term dynamics among Black and White adults

    Kenneth F. Ferraro;Melissa M. Farmer;John A. Wybraniec

  • Volunteering and depression in later life: social benefit or selection processes?

    Yunqing Li;Kenneth F. Ferraro

  • Religion and Health among Black and White Adults: Examining Social Support and Consolation

    Kenneth F. Ferraro;Jerome R. Koch

  • Cumulative Disadvantage and Health: Long-Term Consequences of Obesity?

    Kenneth F. Ferraro;Jessica A. Kelley-Moore

  • Utility of health data from social surveys : Is there a gold standard for measuring morbidity?

    Kenneth F. Ferraro;Melissa M. Farmer

  • Cumulative inequality theory for research on aging and the life course.

    Kenneth F. Ferraro;Tetyana Pylypiv Shippee;Markus H. Schafer

  • Distress and perceived health: mechanisms of health decline.

    Melissa M. Farmer;Kenneth F. Ferraro

  • Childhood Disadvantage and Health Problems in Middle and Later Life: Early Imprints on Physical Health?

    Kenneth F. Ferraro;Markus H. Schafer;Lindsay R. Wilkinson

  • Volunteering in Middle and Later Life: Is Health a Benefit, Barrier or Both?

    Yunqing Li;Kenneth F. Ferraro

  • Body Mass Index and Disability in Adulthood: A 20-Year Panel Study

    Kenneth F. Ferraro;Ya-ping Su;Randall J. Gretebeck;David R. Black

  • Are older people most afraid of crime? Reconsidering age differences in fear of victimization.

    Kenneth F. Ferraro;Randy L. LaGrange

  • Children of misfortune: early adversity and cumulative inequality in perceived life trajectories.

    Markus H. Schafer;Kenneth F. Ferraro;Sarah A. Mustillo

  • The Black/White Disability Gap: Persistent Inequality in Later Life?

    Jessica A. Kelley-Moore;Kenneth F. Ferraro

Frequent Co-Authors

Nancy M. Albert
Nancy M. Albert Cleveland Clinic
Edward O. Laumann
Edward O. Laumann University of Chicago
Linda J. Waite
Linda J. Waite University of Chicago
Elizabeth J. Mutran
Elizabeth J. Mutran University of North Carolina at Chapel Hill
Thomas T. H. Wan
Thomas T. H. Wan University of Central Florida
Roland J. Thorpe
Roland J. Thorpe Johns Hopkins University
Daniel K. Mroczek
Daniel K. Mroczek Northwestern University
Linda K. George
Linda K. George Duke University
Tama Leventhal
Tama Leventhal Tufts University
Jeanne Brooks-Gunn
Jeanne Brooks-Gunn Columbia University

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