PSYCHOLOGY RESEARCH INVENTORY

Modified IPIP AB5C Facet Proxy Inventory (456-item)

This 456-item inventory is a locally standardized edition of IPIP preliminary AB5C facet proxy scales. It measures 45 Big Five circumplex facets using public-domain IPIP-style items. It is not a proprietary AB5C instrument. Items use a general/typical personality timeframe and a five-point agreement scale.

Important: This resource does not provide a diagnosis, treatment, or emergency support. Researchers and users must review the measure source, evidence, licence, population, administration, and interpretation before use.