Arkin’s research concernedthe self in social interaction, with special emphasis on the uncertain self. Arkin developed the Subjective Overachievement Scale in 2001 to tap feelings of self-doubtcoupled with a performance outcome concerns. He was the editor of the books Most Underappreciated: 50 Prominent Social Psychologists Describe Their Most Unloved Work, ''Handbook of the Uncertain Self, and Handbook of Personal Security''.