With Respect to the Designs Typically Used in Developmental Research

Multiple Choice

With respect to the designs typically used in developmental research, which of the following statements is true?

A) The sequential and longitudinal designs are different types of cross-sectional designs.
B) The longitudinal design represents a combination of the cross-sectional and sequential designs.
C) The cross-sectional and longitudinal designs are different types of sequential designs.
D) The sequential design represents a combination of the cross-sectional and longitudinal designs.