Griffiths, Roland R.
Johns Hopkins University School of Medicine,
United States
2025 Rank: 11,374
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Clinical Medicine
SubField 1:
Psychiatry
SubField 2:
Substance Abuse
Rank in SubField 1: 247 out of 85,760 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 11,374 | 11,241 |
| Total Cites | 2,904 | 3,127 |
| H-index | 29 | 31 |
| Hm-index | 11 | 11 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 72 | 72 |
| Total Cites to Single+First Authored Papers | 647 | 678 |
| Number of Single+First+Last Authored Papers | 336 | 336 |
| Total Cites to Single+First+Last Authored Papers | 2,423 | 2,592 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 1,022 | 1,054 |
| Ratio of Total Citations to Distinct Citing Papers | 2.84 | 2.97 |
| Self-Citation Percentage |
7.13%
|
|
Griffiths, Roland R.
Johns Hopkins University School of Medicine,
United States
2024 Rank: 11,187
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Clinical Medicine
SubField 1:
Psychiatry
SubField 2:
Substance Abuse
Rank in SubField 1: 242 out of 80,339 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 11,187 | 11,526 |
| Total Cites | 2,737 | 2,933 |
| H-index | 27 | 28 |
| Hm-index | 10 | 11 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 72 | 72 |
| Total Cites to Single+First Authored Papers | 705 | 741 |
| Number of Single+First+Last Authored Papers | 333 | 333 |
| Total Cites to Single+First+Last Authored Papers | 2,342 | 2,496 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 908 | 936 |
| Ratio of Total Citations to Distinct Citing Papers | 3.01 | 3.13 |
| Self-Citation Percentage |
6.68%
|
|
Griffiths, Roland R.
Johns Hopkins School of Medicine,
United States
2023 Rank: 13,623
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Clinical Medicine
SubField 1:
Psychiatry
SubField 2:
Substance Abuse
Rank in SubField 1: 293 out of 75,292 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 13,623 | 13,438 |
| Total Cites | 2,435 | 2,761 |
| H-index | 26 | 27 |
| Hm-index | 10 | 10 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 71 | 71 |
| Total Cites to Single+First Authored Papers | 653 | 725 |
| Number of Single+First+Last Authored Papers | 329 | 329 |
| Total Cites to Single+First+Last Authored Papers | 2,087 | 2,348 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 850 | 883 |
| Ratio of Total Citations to Distinct Citing Papers | 2.86 | 3.13 |
| Self-Citation Percentage |
11.81%
|
|
Griffiths, Roland R.
Johns Hopkins School of Medicine,
United States
2022 Rank: 18,457
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Clinical Medicine
SubField 1:
Psychiatry
SubField 2:
Substance Abuse
Rank in SubField 1: 396 out of 71,064 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 18,457 | 18,997 |
| Total Cites | 1,671 | 1,864 |
| H-index | 24 | 25 |
| Hm-index | 9 | 10 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 71 | 71 |
| Total Cites to Single+First Authored Papers | 497 | 549 |
| Number of Single+First+Last Authored Papers | 320 | 320 |
| Total Cites to Single+First+Last Authored Papers | 1,493 | 1,655 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 619 | 642 |
| Ratio of Total Citations to Distinct Citing Papers | 2.70 | 2.90 |
| Self-Citation Percentage |
10.35%
|
|
Griffiths, Roland R.
Johns Hopkins School of Medicine,
United States
2021 Rank: 30,649
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Clinical Medicine
SubField 1:
Psychiatry
SubField 2:
Substance Abuse
Rank in SubField 1: 623 out of 68,582 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 30,649 | 31,294 |
| Total Cites | 2,018 | 2,254 |
| H-index | 24 | 25 |
| Hm-index | 10 | 10 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 71 | 71 |
| Total Cites to Single+First Authored Papers | 641 | 705 |
| Number of Single+First+Last Authored Papers | 313 | 313 |
| Total Cites to Single+First+Last Authored Papers | 1,779 | 1,979 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 829 | 855 |
| Ratio of Total Citations to Distinct Citing Papers | 2.43 | 2.64 |
| Self-Citation Percentage |
10.47%
|
|
Griffiths, Roland R.
Johns Hopkins School of Medicine,
United States
2020 Rank: 48,469
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Clinical Medicine
SubField 1:
Psychiatry
SubField 2:
Substance Abuse
Rank in SubField 1: 873 out of 56,373 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 48,469 | 48,080 |
| Total Cites | 1,041 | 1,164 |
| H-index | 16 | 17 |
| Hm-index | 8 | 8 |
| Number of Single Authored Papers | 3 | 3 |
| Total Cites to Single Authored Papers | 0 | 0 |
| Number of Single+First Authored Papers | 70 | 70 |
| Total Cites to Single+First Authored Papers | 332 | 362 |
| Number of Single+First+Last Authored Papers | 307 | 307 |
| Total Cites to Single+First+Last Authored Papers | 898 | 1,004 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 519 | 530 |
| Ratio of Total Citations to Distinct Citing Papers | 2.01 | 2.20 |
| Self-Citation Percentage |
10.57%
|
|
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