8. Development Across the Life Span
Measuring Developmental Change
Multiple Choice
Multiple ChoiceDr. Ramirez conducted a study that compared a group of 20-year-olds and a group of 40-year-olds. Each group was revisited five years later, and again five years after that. This is a _____ design.
A
cross-sectional
B
longitudinal
C
cross-sequential
D
cross-longitudinal
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