Centre for Cognitive Ageing and Cognitive Epidemiology.
Psychol Aging. 2012 Mar;27(1):243-249. doi: 10.1037/a0023690. Epub 2011 May 23.
Lothian Birth Cohorts, 1936 and 1921 were used to study the longitudinal comparability of Five-Factor Model (McCrae & John, 1992) personality traits from ages 69 to 72 years and from ages 81 to 87 years, and cross-cohort comparability between ages 69 and 81 years. Personality was measured using the 50-item International Personality Item Pool (Goldberg, 1999). Satisfactory measurement invariance was established across time and cohorts. High rank-order stability was observed in both cohorts. Almost no mean-level change was observed in the younger cohort, whereas Extraversion, Agreeableness, Conscientiousness, and Intellect declined significantly in the older cohort. The older cohort scored higher on Agreeableness and Conscientiousness. In these cohorts, individual differences in personality traits continued to be stable even in very old age, mean-level changes accelerated.
洛锡安出生队列（Lothian Birth Cohorts）1936 年组和 1921 年组被用于研究从 69 岁到 72 岁以及从 81 岁到 87 岁期间五因素模型（McCrae & John, 1992）人格特质的纵向可比性，以及 69 岁和 81 岁之间的跨队列可比性。人格特质使用 50 项国际人格项目池（International Personality Item Pool， Goldberg, 1999）进行测量。在时间和队列方面，都建立了令人满意的测量不变性。两个队列都观察到了高度的等级稳定性。在年轻队列中，几乎没有观察到平均水平的变化，而在外向性、宜人性、尽责性和智力方面，老年队列则显著下降。老年队列在宜人性和尽责性方面的得分更高。在这些队列中，即使在非常高龄时，人格特质的个体差异仍保持稳定，平均水平的变化加速。
