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In observance of the 2024 holiday season, Sage offices will be closed Monday December 23rd through Wednesday January 1st. Normal operations, including shipping for orders placed during the closure, will resume on Thursday January 2nd. For technical support during this time, please visit our technical support page for assistance options. 

We wish you a wonderful holiday season. Thank you. 

Virgil Zeigler-Hill Oakland University, USA

Virgil Zeigler-Hill, PhD, is an associate professor in the Department of Psychology at Oakland University. His research focuses on three interrelated areas: (1) self-esteem, (2) dark personality features (e.g., narcissism, spitefulness, psychopathy), and (3) interpersonal relationships. Much of his research reflects an integration of his primary interests (e.g., the role that dark personality features play in interpersonal relationships).