Which of the following is the finding of the longitudinal and cross-sectional assessment of intellectual abilities conducted by Schaie?
A) Decline in intellectual abilities was more likely in the cross-sectional assessments than in the longitudinal assessments.
B) When assessed longitudinally, inductive reasoning showed a consistent decline in the middle adulthood years.
C) When assessed cross-sectionally, inductive reasoning increased until toward the end of middle adulthood.
D) People reach a peak in their cognitive functioning for many intellectual skills in early adulthood.

Question

Quizplus · Accepted Answer

Cross-sectional assessments tend to show a decline in intellectual abilities due to comparing different age groups at one point in time, which can reflect generational differences in education and experiences rather than actual cognitive decline. Longitudinal assessments, which follow the same individuals over time, often show less decline, indicating that intellectual abilities may remain stable or even improve for some individuals as they age.

Which of the Following Is the Finding of the Longitudinal