PutnamOpenPracticesDisclosure – Supplemental material for Collective Narcissism: Americans Exaggerate the Role of Their Home State in Appraising U.S. History

Supplemental material, PutnamOpenPracticesDisclosure for Collective Narcissism: Americans Exaggerate the Role of Their Home State in Appraising U.S. History by Adam L. Putnam, Morgan Q. Ross, Laura K. Soter and Henry L. Roediger in Psychological Science