Cross-sectional research indicated that during early and middle adulthood,aging is associated with ________ levels of intelligence.Longitudinal research indicated that during this period of life,aging is associated with ________ levels of intelligence.

Question

Quizplus · Accepted Answer

Cross-sectional research compares different age groups at the same time and has found that older adults tend to have lower levels of intelligence compared to younger adults. However, longitudinal research, which tracks individuals over time, has shown that while there may be some decline in certain areas of cognitive function during early and middle adulthood, there is also a lot of variability and some individuals may actually experience stable levels of intelligence. Therefore, the best answer is declining levels for cross-sectional research and stable levels for longitudinal research, which is reflected in option C.

Cross-Sectional Research Indicated That During Early and Middle Adulthood,aging Is