Multiple Choice
Mark interviews a group of 5-year-olds, a group of 10-year-olds, and a group of 15-year-olds, and asks them what they plan to be when they finish school.Mark is using:
A) a cross-sectional research design
B) a longitudinal research design
C) a confounded research design
D) a multifactor research design
Correct Answer:

Verified
Correct Answer:
Verified
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