8. Development Across the Life Span
Measuring Developmental Change
Multiple Choice
Multiple ChoiceDr. Sardonicus is studying the effects of aging on memory. She gives an initial test of memory to a group of 20-year-olds and a group of 40-year-olds. Then she follows both groups of participants for a period of five years, regularly giving them memory tests during that time. Which research design is Dr. Sardonicus using?
A
Longitudinal
B
Cross-sequential
C
Cross-sectional
D
Genetic-potential
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