APFIVE Cross-Sectional Research Design Limitations
A researcher wants to study how emotional regulation strategies change from childhood through adolescence. She recruits 100 participants aged 8, 12, and 16, and measures their ability to manage emotions in various situations. The study is completed within 6 months. Which methodological limitation most significantly impacts the validity of conclusions about developmental changes in emotional regulation?
A
The age gaps between groups are too large to track development
B
The 6-month duration is too short for a developmental study
C
The sample size is too small to draw meaningful conclusions
D
The cross-sectional design cannot distinguish between age effects and cohort effects
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