Grit: The Power of Passion and Perseverance · chapter 4 · id grit-c4-08-the-grit-scale-can-be-self-adm

“The Grit Scale can be self-administered and scores are not significantly inflated by social desirability bias.”

contestedconfidence: medium⚠ extracted by pipeline, re-audit pending

Receipts

Duckworth & Quinn (2009), JPAsource alive
Consensual validity between self-report and informant-report versions of the Grit-S was demonstrated.
Inside Higher Ed - Doubts about using grit in admissionssource alive
Using grit scores in high-stakes contexts like admissions raises concerns about faking and social desirability, as students can easily identify the 'right' answers on the Grit Scale.
Crede (2018), Educational Researcher - What Shall We Do About Grit?paywalled — manual check queued
Self-report measures of grit are susceptible to faking in high-stakes assessment contexts, limiting their utility for selection purposes.

This claim is a stable, citable object. If you can falsify a verdict, tell us — corrections are loud here.