World's Best Scientists 2026 revealed!
VIEW LIST
Paul F. Brain

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Psychology 55 4426 4096 477 452 228 10322

Paul F. Brain publications per year

The chart shows the history of publications by Paul F. Brain between 1969 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Paul F. Brain published across 58 years, from 1969 to 2026, averaging 4.5 papers a year. Output peaked at 16 publications in 1989. 4 of the 261 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1969 to 2026. Vertical axis: number of publications, 0 to 16. Peak 16 publications in 1989. 1969: 1 publication 1970: 2 publications 1971: 4 publications 1972: 4 publications 1973: 1 publication 1974: 5 publications 1975: 2 publications 1976: 5 publications 1977: 2 publications 1978: 8 publications 1979: 8 publications 1980: 5 publications 1981: 11 publications 1982: 14 publications 1983: 12 publications 1984: 7 publications 1985: 10 publications 1986: 11 publications 1987: 8 publications 1988: 10 publications 1989: 16 publications 1990: 5 publications 1991: 16 publications 1992: 8 publications 1993: 6 publications 1994: 2 publications 1995: 4 publications 1996: 6 publications 1997: 5 publications 1998: 3 publications 1999: 11 publications 2000: 6 publications 2001: 6 publications 2002: 3 publications 2003: 3 publications 2004: 8 publications 2005: 3 publications 2006: 3 publications 2007: 1 publication 2008: 2 publications 2009: 3 publications 2010: 1 publication 2011: 1 publication 2012: 0 publications 2013: 0 publications 2014: 0 publications 2015: 0 publications 2016: 0 publications 2017: 2 publications 2018: 0 publications 2019: 0 publications 2020: 0 publications 2021: 0 publications 2022: 0 publications 2023: 3 publications 2024: 0 publications 2025: 0 publications 2026: 4 publications
1969 2026

261 publications in total across all disciplines

View publications per year as a table
Paul F. Brain: publications per year, 1969 to 2026
Year Publications
1969 1
1970 2
1971 4
1972 4
1973 1
1974 5
1975 2
1976 5
1977 2
1978 8
1979 8
1980 5
1981 11
1982 14
1983 12
1984 7
1985 10
1986 11
1987 8
1988 10
1989 16
1990 5
1991 16
1992 8
1993 6
1994 2
1995 4
1996 6
1997 5
1998 3
1999 11
2000 6
2001 6
2002 3
2003 3
2004 8
2005 3
2006 3
2007 1
2008 2
2009 3
2010 1
2011 1
2012 0
2013 0
2014 0
2015 0
2016 0
2017 2
2018 0
2019 0
2020 0
2021 0
2022 0
2023 3
2024 0
2025 0
2026 4
Total 261
Download as CSV

Paul F. Brain 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 Paul F. Brain 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, 221–230 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: 228 publications — 76th percentile

76% 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
201–210 328
211–220 313
221–230 283 228
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
Download as CSV

Paul F. Brain 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 Paul F. Brain 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
Download as CSV

Overview

Paul F. Brain is affiliated with Swansea University in the United Kingdom. Their academic profile does not currently list recent papers, co-authors, or publication venues, which indicates a limited publicly available bibliographic record at this time.

The absence of specific fields of study, subfields, and main research topics further constrains detailed insights into their specialized academic focus or domain expertise.

There are no recorded book publications or awards associated with Paul F. Brain, which may indicate either an early stage in their academic career or a research profile that is not extensively documented in publicly accessible sources.

Without data on recent papers, it is not possible to outline publication titles, years, or venues, nor to identify collaborators or the impact of their scholarly contributions through citations.

Best Publications

  • Bullying in schools: Lessons from two decades of research

    Peter K. Smith;Paul Brain

  • Effects of chronic mild stress on performance in behavioural tests relevant to anxiety and depression.

    Paolo S. D'Aquila;Paul Brain;Paul Willner

  • The biology of aggression

    Paul F. Brain;David Benton

  • Attenuation of sucrose consumption in mice by chronic mild stress and its restoration by imipramine.

    Santiago Monleon;Paolo D'Aquila;Andres Parra;Vicente M. Simon

  • Corticosterone response to the plus-maze: High correlation with risk assessment in rats and mice

    R J Rodgers;J Haller;A Holmes;J Halasz

  • Multidisciplinary approaches to aggression research

    Paul F. Brain;David Benton

  • The interpretation of physiological correlates of differential housing in laboratory rats.

    Paul Brain;David Benton

  • Correlating testosterone and fighting in male participants in judo contests

    A. Salvadora;F. Suay;S. Martinez-Sanchis;V. M. Simón

  • Hormonal and neurochemical correlates of various forms of animal "aggression".

    Paul F. Brain;M. Haug

  • The effect of the type of opponent in tests of murine aggression.

    Paul F. Brain;David Benton;Graham Childs;Stefano Parmigiani

  • Comparisons of measures of dominance in the laboratory mouse

    David Benton;John C. Dalrymple-Alford;Paul F. Brain

  • Glucose improves attention and reaction to frustration in children.

    David Benton;Veronica Brett;Paul F. Brain

  • Some studies on the use of "standard opponents" in intermale aggression testing in TT albino mice.

    Angela Poole;Paul Brain

  • Hormones and aggression

    Paul F. Brain

  • Effects of chronic mild stress (CMS) and imipramine administration, on spleen mononuclear cell proliferative response, serum corticosterone level and brain norepinephrine content in male mice

    A. Azpiroz;E. Fano;L. Garmendia;A. Arregi

  • Effects of age at differential housing and the duration of individual housing/grouping on lntermale fighting behavior and adrenocortical activity in TO strain mice†

    Jennifer F. Goldsmith;Paul F. Brain;David Benton

  • Behavioural comparisons of isolated, dominant and subordinate mice.

    David Benton;Paul F. Brain

  • Different patterns of biting attack employed by lactating female mice (Mus domesticus) in encounters with male and female conspecific intruders.

    Stefano Parmigiani;Paul F. Brain;Danilo Mainardi;Vanna Brunoni

  • Effect of predatory stress on sucrose intake and behavior on the plus-maze in male mice.

    A Calvo-Torrent;P F Brain;M Martinez

  • Anti-anhedonic actions of the novel serotonergic agent flibanserin, a potential rapidly-acting antidepressant

    Paolo D'Aquila;Santiago Monleon;Franco Borsini;Paul Brain

Frequent Co-Authors

David Benton
David Benton Swansea University
Stefano Parmigiani
Stefano Parmigiani University of Parma
Paola Palanza
Paola Palanza University of Parma
Paul Willner
Paul Willner Swansea University
Paul G. Overton
Paul G. Overton University of Sheffield
José Miñarro
José Miñarro University of Valencia
Paul Mandel
Paul Mandel Centre national de la recherche scientifique, CNRS
Alicia Salvador
Alicia Salvador University of Valencia
R.J. Rodgers
R.J. Rodgers University of Leeds
Etienne-Emile Baulieu
Etienne-Emile Baulieu Inserm

External Links

Personal website of Paul F. Brain

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Exploring a degree in psychology opens doors to a variety of career pathways in the mental health field. One popular option is pursuing a role as a substance abuse counselor, a vital profession that helps individuals struggling with addiction. Many accredited universities across the USA offer online psychology or counseling programs, allowing you to study flexibly while preparing for licensure.

Each state and city has its unique requirements for becoming a substance abuse counselor. For example, the steps for becoming a substance abuse counselor in Boise may differ from the process in other regions. Similarly, the Boston substance abuse counselor certification requirements outline specific credentials and supervised work experience.

If you are interested in other major cities, you can explore how to become a substance abuse counselor in Buffalo or learn more about becoming a substance abuse counselor in Chandler. These resources offer guidance on degree requirements, certification, and supervised practice, helping you make informed career decisions.

Best Scientists Citing Paul F. Brain

Klaus A. Miczek

Klaus A. Miczek

Tufts University

Publications: 55

Stefano Parmigiani

Stefano Parmigiani

University of Parma

Publications: 46

Marta Rodríguez-Arias

Marta Rodríguez-Arias

University of Valencia

Publications: 34

Paola Palanza

Paola Palanza

University of Parma

Publications: 34

David Benton

David Benton

Swansea University

Publications: 32

María A. Aguilar

María A. Aguilar

University of Valencia

Publications: 31

R.J. Rodgers

R.J. Rodgers

University of Leeds

Publications: 26

José Miñarro

José Miñarro

University of Valencia

Publications: 25

D. Caroline Blanchard

D. Caroline Blanchard

University of Hawaii at Manoa

Publications: 22

Enrico Alleva

Enrico Alleva

Istituto Superiore di Sanità

Publications: 22

Robert J. Blanchard

Robert J. Blanchard

University of Hawaii at Manoa

Publications: 22

John F. Cryan

John F. Cryan

University College Cork

Publications: 20

Jaap M. Koolhaas

Jaap M. Koolhaas

University of Groningen

Publications: 19

Menno R. Kruk

Menno R. Kruk

Leiden University

Publications: 19

Alicia Salvador

Alicia Salvador

University of Valencia

Publications: 16

Frederick S. vom Saal

Frederick S. vom Saal

University of Missouri

Publications: 16

Trending Scientists

Shuangyin Wang

Shuangyin Wang

Hunan University

Thomas E. Fuller-Rowell

Thomas E. Fuller-Rowell

Auburn University

Evert Thiery

Evert Thiery

Ghent University Hospital

Chetan Nayak

Chetan Nayak

Microsoft (United States)

Hinrich Staecker

Hinrich Staecker

University of Kansas

Liping Lou

Liping Lou

Zhejiang University

Nader Najafian

Nader Najafian

Brigham and Women's Hospital

Dolores R. Piperno

Dolores R. Piperno

National Museum of Natural History

Adrian Grocott

Adrian Grocott

Lancaster University

Giorgio Budillon

Giorgio Budillon

Parthenope University of Naples

Leslie D. McFadden

Leslie D. McFadden

University of New Mexico

Rolf Sternberg

Rolf Sternberg

University of Hannover

Christian Kanzow

Christian Kanzow

University of Würzburg

Armando Fox

Armando Fox

University of California, Berkeley

Gábor Csányi

Gábor Csányi

University of Cambridge

Gerard Pasterkamp

Gerard Pasterkamp

Utrecht University

Related Psychology Rankings & Guides

2027 Best Doctorate Degree in Psychology Programs: Costs & Job Opportunities

2027 Best Doctorate Degree in Psychology Programs: Costs & Job Opportunities
2027 Best Michigan Psychology Degrees Online

2027 Best Michigan Psychology Degrees Online
2027 How to Become a Licensed Counselor (LPC) in Idaho

2027 How to Become a Licensed Counselor (LPC) in Idaho
2027 Maryland Psychology Licensure Requirements – How to Become a Psychologist in Maryland

2027 Maryland Psychology Licensure Requirements – How to Become a Psychologist in Maryland
2027 Master’s in Social Work (MSW) Programs in Florida (FL) – Online & On-Campus

2027 Master’s in Social Work (MSW) Programs in Florida (FL) – Online & On-Campus
2027 MSW vs LCSW – What’s the Difference?

2027 MSW vs LCSW – What’s the Difference?
2027 PsyD vs PhD in Psychology: Comparison of Requirements and Salary

2027 PsyD vs PhD in Psychology: Comparison of Requirements and Salary
2027 Master of Social Work (MSW) Careers: Guide to Career Paths, Options & Salary

2027 Master of Social Work (MSW) Careers: Guide to Career Paths, Options & Salary
2027 Best Psychology Schools in Kansas – Accredited Colleges & Programs

2027 Best Psychology Schools in Kansas – Accredited Colleges & Programs
2027 Best Psychology Schools in New York – Accredited Colleges & Programs

2027 Best Psychology Schools in New York – Accredited Colleges & Programs
2027 How to Become a Licensed Counselor (LPC) in Michigan

2027 How to Become a Licensed Counselor (LPC) in Michigan
2027 What Can You Do with a Master’s in Behavioral Psychology? Costs & Job Opportunities

2027 What Can You Do with a Master’s in Behavioral Psychology? Costs & Job Opportunities
2027 Best Ph.D. Programs in Applied Behavior Analysis

2027 Best Ph.D. Programs in Applied Behavior Analysis
2027 Cognitive Psychology Careers: Guide to Career Paths, Options & Salary

2027 Cognitive Psychology Careers: Guide to Career Paths, Options & Salary
2027 Child Psychology Careers: Guide to Career Paths, Options & Salary

2027 Child Psychology Careers: Guide to Career Paths, Options & Salary
2027 Macro Social Work Careers: Guide to Career Paths, Options & Salary

2027 Macro Social Work Careers: Guide to Career Paths, Options & Salary
2027 Most Affordable Online School Counseling Degrees

2027 Most Affordable Online School Counseling Degrees
2027 Difference Between Psychology and Psychiatry: Which Discipline is Better?

2027 Difference Between Psychology and Psychiatry: Which Discipline is Better?
2027 Counseling Careers: Guide to Career Paths, Options & Salary

2027 Counseling Careers: Guide to Career Paths, Options & Salary
2027 Career Path for Social Workers: Everything You Need to Know

2027 Career Path for Social Workers: Everything You Need to Know
2027 Best Accredited Schools for Social Work That Offer Multiple Degrees

2027 Best Accredited Schools for Social Work That Offer Multiple Degrees

Recently Published Articles

2027 Healthcare Management Degree Programs That Meet State Licensure Requirements

2027 Healthcare Management Degree Programs That Meet State Licensure Requirements
2027 Graphic Design vs. Animation Degree: Explaining the Difference

2027 Graphic Design vs. Animation Degree: Explaining the Difference
2027 Understanding ASHA, CAA, and State Licensure in Speech Pathology

2027 Understanding ASHA, CAA, and State Licensure in Speech Pathology
2027 Shortest Online Emergency Management Bachelor's Degree Programs That Pay Well: Cost, Time to Completion, and Salary Outlook

2027 Shortest Online Emergency Management Bachelor's Degree Programs That Pay Well: Cost, Time to Completion, and Salary Outlook
2027 Synchronous vs Asynchronous Learning in Online Speech Pathology Programs

2027 Synchronous vs Asynchronous Learning in Online Speech Pathology Programs
2027 How to Become a Marriage and Family Therapist in Montana: Requirements & Certification

2027 How to Become a Marriage and Family Therapist in Montana: Requirements & Certification
2027 Best LPN Programs in Oregon – Accredited Online LPN Programs

2027 Best LPN Programs in Oregon – Accredited Online LPN Programs
2027 Online Mathematics Bachelor's Degree Programs That Accept Transfer Credits

2027 Online Mathematics Bachelor's Degree Programs That Accept Transfer Credits
2027 GPA, Test Scores, and Experience Needed for Criminal Justice Degree Programs

2027 GPA, Test Scores, and Experience Needed for Criminal Justice Degree Programs
2027 Is Demand for Health Sciences Degree Graduates Growing or Declining?

2027 Is Demand for Health Sciences Degree Graduates Growing or Declining?
2027 Fastest-Growing Careers for Industrial Organizational Psychology Degree Graduates

2027 Fastest-Growing Careers for Industrial Organizational Psychology Degree Graduates
2027 Reading & Literacy Degree Programs That Accept Transfer Credits

2027 Reading & Literacy Degree Programs That Accept Transfer Credits
2027 Different Types of Early Childhood Education Degrees and Their Salaries

2027 Different Types of Early Childhood Education Degrees and Their Salaries
2027 School Counseling Degree Enrollment Trends by Age Group: Traditional Students vs Adult Learners

2027 School Counseling Degree Enrollment Trends by Age Group: Traditional Students vs Adult Learners
2027 Can You Get a Public Health Degree Master's Without a Related Bachelor's Degree?

2027 Can You Get a Public Health Degree Master's Without a Related Bachelor's Degree?
2027 Best Shortest Online Post-Master's FNP Certificate Programs

2027 Best Shortest Online Post-Master's FNP Certificate Programs
2027 Business Salary by State Report

2027 Business Salary by State Report
2027 Highest Paying Speech Pathology Jobs and Careers

2027 Highest Paying Speech Pathology Jobs and Careers
2027 Different Types of Environmental Science Degrees and Their Salaries

2027 Different Types of Environmental Science Degrees and Their Salaries
2027 Can You Get an Architecture Degree Master's Without a Related Bachelor's Degree?

2027 Can You Get an Architecture Degree Master's Without a Related Bachelor's Degree?
2027 Most Affordable Online Master’s Degrees in Human Resources

2027 Most Affordable Online Master’s Degrees in Human Resources