Question

Schaie's longitudinal study of intellectual abilities showed that _____ is the period when most people reach their peak for many intellectual skills. adolescence middle adulthood early adulthood late adulthood

Answer 1

Middle adulthood is the best choice that completes the statement. According to the Seattle Longitudinal Study, middle adulthood perceives to have the peak of mental abilities. However, there is an earlier decline of fluid intelligence compared to crystallized intelligence in this stage of development.