When Assessing Cognitive Abilities Both Cross-Sectionally and Longitudinally, Schaie Found

question 110

Multiple Choice

When assessing cognitive abilities both cross-sectionally and longitudinally, Schaie found that

• A) decline starts at the same time in both research methods.
• B) decline starts earlier in cross-sectional studies than in longitudinal studies.
• C) decline starts earlier in longitudinal studies than in cross-sectional studies.
• D) decline only occurs in cross-sectional studies, but never occurs in longitudinal studies.