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Evidence

Evidence benchmarks: citations, h-index, letters

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USCIS has no numeric thresholds - but the community does cite real ranges. Here is an honest collection of what people report on citations, h-index and recommendation letters, with the caveat: the totality decides, not one number.

All 10 criteria

One principle explains most refusals

Almost every objection officers raise comes down to one thing: an assertion without support does not meet the burden of proof. The notices quote it almost verbatim, and it appears exactly where the record holds a claim with no document behind it.

The practical consequences are visible in the text of refusals. A link to a web page is not evidence - the page can change or vanish, so copies of the pages themselves with a capture date are needed. Material from open platforms where anyone can post anything is not treated as probative. A referee’s opinion that is unsupported or inconsistent with the rest of the record is given less weight.

The second principle is quality over volume. The standard of proof here is a preponderance of the evidence: you must show that what is claimed is more likely true than not. And the decision officers cite on this says outright that truth is determined by the quality of the evidence, not its quantity. Three hundred pages of exhibits with no external corroboration lose to ten pages with verifiable sources.

The third is consistency. Doubt cast on any part of your proof lets the officer revisit the reliability and sufficiency of the rest. An inconsistency does not stay local - it spreads. So discrepancies in dates, titles and figures between the CV, the letters, the form and the exhibits are better cleaned up or explained before filing.