Greg Hajcak: h-index, Total Citations, and Citation Map
Greg Hajcak's h-index is 116 (357 i10-index, 53,551+ total citations across 5+ publications) according to Google Scholar as of May 2026. Greg Hajcak is affiliated with Santa Clara University.
Greg Hajcak is a researcher affiliated with Santa Clara University, specializing in Anxiety, Depression, Adolescence. Their work has been cited 53,551 times. This profile visualizes their global influence, highlighting strong citation networks in United States.
Greg Hajcak's Citation Metrics
Bibliometric impact based on 5 indexed publications. Of these, 4 are original research articles — the rest are literature highlights, conference abstracts or theses.
- H-Index
- 116
- i10-Index
- 357
- Total Citations
- 53,551
- Citing Countries
- 18
As of May 2026.
Greg Hajcak has an h-index of 116 and 53,551 total citations across 5 publications, with research cited by institutions in 18 countries.
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Top Cited Works
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The Obsessive-Compulsive Inventory: Development and Validation of a Short Version
20023,870
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Visa Evidence Package
Views and exports tuned for EB-1A, O-1A, and EB-2 NIW petitions. Sustained acclaim, geographic reach, and independent-citation filtering are the strongest evidence categories immigration adjudicators look for.
Significant Contributions
Auto-detected research lines — a seminal paper and the follow-up work building on it. Review and edit before using in a petition. Each Free PDF opens in a new tab — EB-1A organises this into the structure USCIS applies to Criterion 5 of 8 CFR § 204.5(h)(3)(v); EB-1B re-frames it under § 204.5(i)(3) (outstanding researcher); NIW presents it under prong 2 of Matter of Dhanasar.
The researcher established the feedback-related negativity as a marker for binary outcome evaluation and extended this framework to identify the reward positivity as a potential biomarker for depression.
The researcher developed and validated a short version of the Obsessive-Compulsive Inventory, establishing a widely adopted, efficient tool for assessing obsessive-compulsive symptoms in clinical and research settings.
The researcher provided seminal empirical evidence documenting the surge in adolescent and young adult depression and anxiety symptoms during the COVID-19 pandemic.
Citation trend (last 10 years)Click to expand
Citation Trend (Last 10 Years)
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