Multiple Choice
A researcher wants to know how sibling relations change during adolescence. She administers questionnaires to groups of 13-, 14-, 15-, and 16-year-olds, and checks on the differences of the average scores of the five groups. What time variable design has she just used?
A) Sequential
B) Longitudinal
C) Cross-sectional
D) One-time, one-group
Correct Answer:
Verified
Correct Answer:
Verified
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