| Discipline name | D-Index | World Ranking | Current World Ranking | National Ranking | Current National Ranking | Publications | Citations |
|---|---|---|---|---|---|---|---|
| Social Sciences and Humanities | 45 | 3734 | 3441 | 1785 | 1614 | 148 | 20746 |
The chart shows the history of publications by John R. Sirard between 1985 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. John R. Sirard published across 41 years, from 1985 to 2025, averaging 4.4 papers a year. Output peaked at 12 publications in 2008. 12 of the 179 publications appeared in the last two years.
179 publications in total across all disciplines
| Year | Publications |
|---|---|
| 1985 | 1 |
| 1986 | 0 |
| 1987 | 0 |
| 1988 | 0 |
| 1989 | 0 |
| 1990 | 0 |
| 1991 | 0 |
| 1992 | 0 |
| 1993 | 0 |
| 1994 | 0 |
| 1995 | 0 |
| 1996 | 0 |
| 1997 | 2 |
| 1998 | 4 |
| 1999 | 2 |
| 2000 | 1 |
| 2001 | 4 |
| 2002 | 6 |
| 2003 | 5 |
| 2004 | 5 |
| 2005 | 6 |
| 2006 | 6 |
| 2007 | 7 |
| 2008 | 12 |
| 2009 | 5 |
| 2010 | 7 |
| 2011 | 7 |
| 2012 | 5 |
| 2013 | 5 |
| 2014 | 5 |
| 2015 | 9 |
| 2016 | 8 |
| 2017 | 12 |
| 2018 | 7 |
| 2019 | 9 |
| 2020 | 10 |
| 2021 | 3 |
| 2022 | 6 |
| 2023 | 8 |
| 2024 | 8 |
| 2025 | 4 |
| Total | 179 |
The chart shows the distribution of publications by all Research.com ranked scientists in the field of Social Sciences and Humanities in 2026. The highlighted bar marks where John R. Sirard sits on this spectrum.
This scientist: 148 publications — 40th percentile
40% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 570 publications or more.
| Publications | Scientists | This scientist |
|---|---|---|
| 44–53 | 28 | |
| 54–63 | 61 | |
| 64–73 | 161 | |
| 74–83 | 225 | |
| 84–93 | 301 | |
| 94–103 | 390 | |
| 104–113 | 406 | |
| 114–123 | 474 | |
| 124–133 | 453 | |
| 134–143 | 434 | |
| 144–153 | 407 | 148 |
| 154–163 | 411 | |
| 164–173 | 391 | |
| 174–183 | 313 | |
| 184–193 | 319 | |
| 194–203 | 304 | |
| 204–213 | 285 | |
| 214–223 | 246 | |
| 224–233 | 213 | |
| 234–243 | 170 | |
| 244–253 | 167 | |
| 254–263 | 162 | |
| 264–273 | 138 | |
| 274–283 | 138 | |
| 284–293 | 113 | |
| 294–303 | 106 | |
| 304–313 | 95 | |
| 314–323 | 101 | |
| 324–333 | 81 | |
| 334–343 | 69 | |
| 344–353 | 56 | |
| 354–363 | 36 | |
| 364–373 | 42 | |
| 374–383 | 41 | |
| 384–393 | 44 | |
| 394–403 | 27 | |
| 404–413 | 30 | |
| 414–423 | 20 | |
| 424–433 | 29 | |
| 434–443 | 29 | |
| 444–453 | 25 | |
| 454–463 | 19 | |
| 464–473 | 21 | |
| 474–483 | 11 | |
| 484–493 | 17 | |
| 494–503 | 7 | |
| 504–513 | 6 | |
| 514–523 | 12 | |
| 524–533 | 10 | |
| 534–543 | 7 | |
| 544–553 | 6 | |
| 554–563 | 12 | |
| 564–569 | 8 | |
| 570+ | 100 |
The chart shows the D-index (discipline H-index) distribution of Social Sciences and Humanities scientists ranked by Research.com in 2026. The highlighted bar marks where John R. Sirard sits on this spectrum.
This scientist: 45 D-Index — 52nd percentile
52% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 100 D-Index or more.
| D-Index | Scientists | This scientist |
|---|---|---|
| 30 | 177 | |
| 31 | 210 | |
| 32 | 222 | |
| 33 | 188 | |
| 34 | 181 | |
| 35 | 243 | |
| 36 | 261 | |
| 37 | 272 | |
| 38 | 278 | |
| 39 | 300 | |
| 40 | 297 | |
| 41 | 308 | |
| 42 | 313 | |
| 43 | 300 | |
| 44 | 269 | |
| 45 | 260 | 45 |
| 46 | 228 | |
| 47 | 251 | |
| 48 | 203 | |
| 49 | 186 | |
| 50 | 187 | |
| 51 | 166 | |
| 52 | 138 | |
| 53 | 141 | |
| 54 | 131 | |
| 55 | 137 | |
| 56 | 109 | |
| 57 | 129 | |
| 58 | 95 | |
| 59 | 105 | |
| 60 | 106 | |
| 61 | 86 | |
| 62 | 94 | |
| 63 | 77 | |
| 64 | 79 | |
| 65 | 59 | |
| 66 | 68 | |
| 67 | 51 | |
| 68 | 49 | |
| 69 | 40 | |
| 70 | 43 | |
| 71 | 40 | |
| 72 | 50 | |
| 73 | 46 | |
| 74 | 43 | |
| 75 | 45 | |
| 76 | 45 | |
| 77 | 30 | |
| 78 | 25 | |
| 79 | 31 | |
| 80 | 29 | |
| 81 | 18 | |
| 82 | 21 | |
| 83 | 26 | |
| 84 | 15 | |
| 85 | 15 | |
| 86 | 19 | |
| 87 | 19 | |
| 88 | 12 | |
| 89 | 7 | |
| 90 | 19 | |
| 91 | 20 | |
| 92 | 13 | |
| 93 | 9 | |
| 94 | 13 | |
| 95 | 8 | |
| 96 | 7 | |
| 97 | 6 | |
| 98 | 6 | |
| 99 | 6 | |
| 100+ | 97 |
John R. Sirard is affiliated with the University of Massachusetts Amherst in the United States. Their research primarily falls within the broad field of Medicine, with a significant focus on Physiology and Public Health, Environmental and Occupational Health, as well as Complementary and Alternative Medicine. Additional subfields include Experimental and Cognitive Psychology and General Health Professions.
Sirard's work covers several main topics, notably Physical Activity and Health, Obesity, Physical Activity, Diet, and Cardiovascular and Exercise Physiology. Other topics addressed include Sports Performance and Training, Sleep and Related Disorders, Health and Lifestyle Studies, and Behavioral Health and Interventions.
The scientist has authored multiple papers published in various academic venues. Frequent publication platforms include Medicine & Science in Sports & Exercise, Journal for the Measurement of Physical Behaviour, Journal of Adolescent and Young Adult Oncology, UNC Libraries, and American Journal of Health Behavior.
Key recent papers include:
Sirard has collaborated frequently with a number of coauthors. These include Robert T. Marcotte, John Staudenmayer, Melanna F. Cox, Greg J. Petrucci, and Nicholas Remillard.
Patty S. Freedson;Edward Melanson;John Sirard
Dena M. Bravata;Crystal Smith-Spangler;Vandana Sundaram;Allison L. Gienger
Stewart G. Trost;Russell R. Pate;James F. Sallis;Patty S. Freedson
John R. Sirard;Russell R. Pate
Melissa C. Nelson;Dianne Neumark-Stzainer;Peter J. Hannan;John R. Sirard
Russell R. Pate;Patty S. Freedson;James F. Sallis;Wendell C. Taylor
Stewart G. Trost;John R. Sirard;Marsha Dowda;Karin A. Pfeiffer
John R. Sirard;Stewart G. Trost;Karin A. Pfeiffer;Marsha Dowda
Marsha Dowda;Russell R. Pate;Stewart G. Trost;M. Joāo C. A. Almeida
Russell R. Pate;Rebecca Ross;Marsha Dowda;Stewart G. Trost
John R. Sirard;Megan E. Slater
John R. Sirard;William F. Riner;Kerry L. McIver;Russell R. Pate
John R. Sirard;Karin A. Pfeiffer;Russell R. Pate
Dena M. Bravata;Crystal Smith-Spangler;Vandana Sundaram;Allison L. Gienger
Thomas N. Robinson;John R. Sirard
P. S. Freedson;J. Sirard;E. Debold;R. Pate
S. G. Trost;J. R. Sirard;M. Dowda;R. R. Pate
Sofiya Alhassan;John R. Sirard;Thomas N. Robinson
John R. Sirard;Edward L. Melanson;Li Li;Patty S. Freedson
Carrie D. Patnode;Leslie A. Lytle;Darin J. Erickson;John R. Sirard
Catrine Tudor-Locke;Elroy J. Aguiar;Ho Han;Ho Han;Scott W. Ducharme
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