A researcher studies one group of children when they are 3, 6, and 9 years old and another group of children when they are 9, 12, and 15 years old. In the context of developmental research designs, the researcher has used the _____ method.
A)control series
B)sequential
C)multiple baseline
D)panel study

Question

Quizplus · Accepted Answer

The researcher has used the sequential method, which involves studying several different age groups at several points in time. This allows for the examination of both age changes and cohort effects simultaneously.

A Researcher Studies One Group of Children When They Are