Published October 26, 2026
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Short personality tests: Big Five Inventory (BFI-10) vs BFI-44 — 23% loss, keep full
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Description
BFI-10 loses about 23% test-retest reliability versus BFI-44; BFI-44's extra items improve reliability and facets. Default to BFI-44 for actionable decisions.
Independent technical note mirroring the canonical version: https://psychprofile.io/blog/short-personality-tests-big-five-inventory-bfi-10-vs-bfi-44-23-loss-keep-full.php
Notes
Independent analysis; not peer-reviewed.