Unformatted text preview: • Many times participants drop out and the study will become biased. Sequential Approach • Sequential approach is combined cross-sectional and longitudinal design. • This approach starts with cross-sectional and includes subjects of different ages. • The same are tested again, which brings in the longitudinal study. • This approach is complex, expensive, and time consuming, but does provide information that is impossible to obtain from just one of the studies alone. Cohort Effects • Cohort effects are effects due to a person’s time of birth, era, or generation but not actual age. • They are important because they can powerfully affect the dependent measure in a study concerned with age....
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- Spring '08
- Developmental Psychology, Cohort study, Longitudinal study, Cross-sectional study, RESEARCH Cross-Sectional Approach