The Five-Factor Narcissism Inventory (FFNI; Glover et al. 2012) is a 148-item self-report measure that assesses grandiose and vulnerable narcissism traits, as well as a narcissistic personality disorder (NPD) from the perspective of the five-factor model (FFM).
The Five-Factor Narcissism Inventory-Short Form (FFNI-SF; Sherman et al., 2015) is an abbreviation of the original Five-Factor Narcissism Inventory (FFNI) which assesses the basic elements of narcissism from the perspective of a 5-factor model.
