Multiple Choice
A researcher studies a group of 1-year-olds, 4-year-olds, and 7-year-olds for one day, and compares the different age groups in terms of their independence. What research design is the researcher using?
A) longitudinal
B) cross-sectional
C) sequential-cohort
D) age cohort
Correct Answer:

Verified
Correct Answer:
Verified
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