10.25384/SAGE.6649169.v1 Adam L. Putnam Adam L. Putnam Morgan Q. Ross Morgan Q. Ross Laura K. Soter Laura K. Soter Henry L. Roediger Henry L. Roediger PutnamOpenPracticesDisclosure – Supplemental material for Collective Narcissism: Americans Exaggerate the Role of Their Home State in Appraising U.S. History SAGE Journals 2018 collective memory availability bias egocentrism narcissism judgment open data open materials and preregistered 2018-06-18 12:00:00 Journal contribution https://sage.figshare.com/articles/journal_contribution/PutnamOpenPracticesDisclosure_Supplemental_material_for_Collective_Narcissism_Americans_Exaggerate_the_Role_of_Their_Home_State_in_Appraising_U_S_History/6649169 <p>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</p>