Early and Midlife Predictors of Wisdom and Subjective Well-Being in Old Age.
Level 3 - non-randomized controlled study
Prospective longitudinal cohort study followed over 60 years.
PubMed 29452416 · doi:10.1093/geronb/gby017
What was done
Researchers analyzed 60-year longitudinal cohort data using structural equation modeling to test whether personality traits and developmental milestones across early life and midlife predicted wisdom and subjective well-being at age 80. The sample comprised 98 white male Harvard graduates born between 1915 and 1924 (the Grant Study cohort). Independent sets of judges rated participants' childhood and adolescence, early adult personality traits, and midlife generativity, while wisdom and well-being in old age were self-reported.
What was found
Wisdom and subjective well-being were positively correlated at age 80, but had distinct lifespan predictors. Early adult openness to experience predicted wisdom 60 years later, whereas higher early adult emotional stability and extraversion predicted subjective well-being in old age. Wisdom in late life was additionally linked to cumulative psychosocial growth across the life course, facilitated by childhood social support, adolescent competence, early adult emotional stability, and midlife generativity. The abstract reported no correlation coefficients, path estimates, or p-values.
Why it matters
The study demonstrates that late-life wisdom and subjective well-being have divergent developmental pathways, indicating that psychological adjustment and personality growth operate differently across the lifespan.
Limits
The sample size was small (n = 98) and extremely homogeneous (exclusively white, highly educated men born in the early 20th century), limiting generalizability across sexes, socioeconomic strata, and diverse cultural backgrounds. Wisdom and well-being at age 80 were self-assessed, introducing potential self-report bias.
Cited by
- contradicts Data from the Harvard Study of Adult Development indicates that men with average lives, incomes, and families reported the highest subjective happiness levels compared to high-achievers.