_________ effects are a potential confound in cross-sectional developmental studies, though an advantage is that they __________
a. Preterm; take less time to conduct than longitudinal studies
b. Cohort; take less time to conduct than longitudinal studies
c. Cohort; take more time to conduct than longitudinal studies
d. Prenatal; do not require control groups
Answer: B
Rationale: One major issue to consider in cross-sectional designs is the potential for consequences of being born in a particular year or narrow range of years.
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