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M02: Research Methods in Aging (3AG3) (LONGITUDINAL (Costly + time…
M02: Research Methods in Aging (3AG3)
Can we make causal claims in aging research?
NO. (cause no RA)
Observational Studies
Archival Research
Survey Studies
MAYBE...?
Experimental Research
Random Assignment
Equivalent Groups
Cannot randomly assign age though
SEQUENTIAL
Cross-generational Problem
Schaie (1965): "Most Efficient Design"
Whitbourne et al (1992): Personality
CROSS-SECTIONAL
Survivor Principle
Self-Selection
Cohort Effects
Brickman et al (2006): Age or ed?
Cleary et al (2004): MIDUS National Survey Data
LONGITUDINAL
Costly + time-consuming
Cross-generational Problem
Selective Attrition
Practice Effects
Snowden (1986+): Nun Study