Griffiths, Roland R.
Johns Hopkins University School of Medicine,
United States
2025 Rank: 20,596
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Clinical Medicine
SubField 1:
Psychiatry
SubField 2:
Substance Abuse
Rank in SubField 1: 524 out of 85,760 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 20,596 | 19,885 |
| Total Cites | 22,707 | 25,572 |
| H-index | 72 | 80 |
| Hm-index | 39 | 42 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 24 | 26 |
| Number of Single+First Authored Papers | 72 | 72 |
| Total Cites to Single+First Authored Papers | 6,260 | 6,896 |
| Number of Single+First+Last Authored Papers | 336 | 336 |
| Total Cites to Single+First+Last Authored Papers | 19,798 | 22,212 |
| Composite Score | 3 | 4 |
| Number of Distinct Citing Papers | 10,812 | 11,215 |
| Ratio of Total Citations to Distinct Citing Papers | 2.10 | 2.28 |
| Self-Citation Percentage |
11.20%
|
|
Griffiths, Roland R.
Johns Hopkins University School of Medicine,
United States
2024 Rank: 21,215
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Clinical Medicine
SubField 1:
Psychiatry
SubField 2:
Substance Abuse
Rank in SubField 1: 540 out of 80,339 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 21,215 | 21,325 |
| Total Cites | 19,696 | 22,329 |
| H-index | 69 | 73 |
| Hm-index | 38 | 41 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 24 | 26 |
| Number of Single+First Authored Papers | 72 | 72 |
| Total Cites to Single+First Authored Papers | 5,536 | 6,136 |
| Number of Single+First+Last Authored Papers | 333 | 333 |
| Total Cites to Single+First+Last Authored Papers | 17,273 | 19,508 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 9,715 | 10,082 |
| Ratio of Total Citations to Distinct Citing Papers | 2.03 | 2.21 |
| Self-Citation Percentage |
11.79%
|
|
Griffiths, Roland R.
Johns Hopkins School of Medicine,
United States
2023 Rank: 22,928
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Clinical Medicine
SubField 1:
Psychiatry
SubField 2:
Substance Abuse
Rank in SubField 1: 576 out of 75,292 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 22,928 | 22,250 |
| Total Cites | 16,880 | 19,298 |
| H-index | 65 | 71 |
| Hm-index | 36 | 40 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 24 | 26 |
| Number of Single+First Authored Papers | 71 | 71 |
| Total Cites to Single+First Authored Papers | 4,803 | 5,362 |
| Number of Single+First+Last Authored Papers | 329 | 329 |
| Total Cites to Single+First+Last Authored Papers | 14,871 | 16,935 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 8,749 | 9,087 |
| Ratio of Total Citations to Distinct Citing Papers | 1.93 | 2.12 |
| Self-Citation Percentage |
12.53%
|
|
Griffiths, Roland R.
Johns Hopkins School of Medicine,
United States
2022 Rank: 24,405
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Clinical Medicine
SubField 1:
Psychiatry
SubField 2:
Substance Abuse
Rank in SubField 1: 611 out of 71,064 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 24,405 | 24,086 |
| Total Cites | 14,292 | 16,388 |
| H-index | 60 | 65 |
| Hm-index | 35 | 38 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 24 | 26 |
| Number of Single+First Authored Papers | 71 | 71 |
| Total Cites to Single+First Authored Papers | 4,097 | 4,584 |
| Number of Single+First+Last Authored Papers | 320 | 320 |
| Total Cites to Single+First+Last Authored Papers | 12,652 | 14,459 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 7,808 | 8,114 |
| Ratio of Total Citations to Distinct Citing Papers | 1.83 | 2.02 |
| Self-Citation Percentage |
12.79%
|
|
Griffiths, Roland R.
Johns Hopkins School of Medicine,
United States
2021 Rank: 24,992
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Clinical Medicine
SubField 1:
Psychiatry
SubField 2:
Substance Abuse
Rank in SubField 1: 624 out of 68,582 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 24,992 | 24,045 |
| Total Cites | 13,346 | 15,388 |
| H-index | 58 | 64 |
| Hm-index | 34 | 38 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 23 | 25 |
| Number of Single+First Authored Papers | 71 | 71 |
| Total Cites to Single+First Authored Papers | 3,822 | 4,298 |
| Number of Single+First+Last Authored Papers | 313 | 313 |
| Total Cites to Single+First+Last Authored Papers | 11,794 | 13,557 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 7,418 | 7,713 |
| Ratio of Total Citations to Distinct Citing Papers | 1.80 | 2.00 |
| Self-Citation Percentage |
13.27%
|
|
Griffiths, Roland R.
Johns Hopkins School of Medicine,
United States
2020 Rank: 25,336
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Clinical Medicine
SubField 1:
Psychiatry
SubField 2:
Substance Abuse
Rank in SubField 1: 615 out of 56,373 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 25,336 | 24,635 |
| Total Cites | 11,679 | 13,537 |
| H-index | 56 | 60 |
| Hm-index | 33 | 36 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 23 | 25 |
| Number of Single+First Authored Papers | 70 | 70 |
| Total Cites to Single+First Authored Papers | 3,298 | 3,722 |
| Number of Single+First+Last Authored Papers | 307 | 307 |
| Total Cites to Single+First+Last Authored Papers | 10,317 | 11,922 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 6,727 | 7,002 |
| Ratio of Total Citations to Distinct Citing Papers | 1.74 | 1.93 |
| Self-Citation Percentage |
13.73%
|
|
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