How Is a Sequential Design Different from a Longitudinal Design

Multiple Choice

How is a sequential design different from a longitudinal design?

A) The sequential design tests the same participants multiple times and the longitudinal design tests each participant once.
B) The sequential design assesses different-aged participants multiple times and the longitudinal design assesses same-aged participants multiple times.
C) The sequential design uses naturalistic observation and the longitudinal design uses structured observation.
D) The sequential design requires half as many participants as the longitudinal design.