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Abstract
The present investigation utilized a large and diverse sample of older adults from the St. Louis Personality and Aging Network (SPAN) to examine psychopathy’s nomological network and whether these traits change over four timepoints spanning approximately 10 years. We also explored whether these changes were associated with changes in other important constructs (e.g., physical and psychological functioning) across the same time span. We found that 1) the nomological network of psychopathy appears to be consistent with what has been observed in samples of younger adults, 2) psychopathic traits remain stable over time as adults make the transition from midlife to later life, and 3) changes that were observed are significantly related to changes in several important outcomes, including physical health, mental health, relationship satisfaction, intimate partner aggression, and social functioning.