Eileen K Graham, Bryan D James, Kathryn L Jackson, Emily C Willroth, Jing Luo, Christopher R Beam, Nancy L Pedersen, Chandra A Reynolds, Mindy Katz, Richard B Lipton, Patricia Boyle, Robert Wilson, David A Bennett, Daniel K Mroczek
There are individual differences in the rates of cognitive decline across later adulthood. Personality traits are among the factors that may account for these differences. The current project investigated whether personality traits were associated with trajectories of cognitive decline, and whether the associations were different before and after dementia diagnosis. The data was analyzed using linear mixed effects regression. Across study aims is a focus on replicability and generalizability. Each question was addressed in four independent longitudinal studies (EAS, MAP, ROS, SATSA), then meta-analyzed, providing estimates of replicability...
June 2021: Journal of Research in Personality