Scale Validation in R

Psychometric validation of personality questionnaires in R: item lists, inter-item and subscale correlations, reliability, exploratory factor analysis and parallel analysis.

Questionnaire Tutorial
BFI-44 BFI-44 Validation
IPIP-50 (OCEAN) IPIP-50 / OCEAN Validation
IPIP-50 (OCEAN) OCEAN: descriptives, reliability and structure