Dr. Feldman is studying sibling rivalry. Each of his participants has been assessed every five years since 1970. Dr. Feldman's overall research design is best classified as
A) cross-sectional
B) experimental
C) longitudinal
D) sequential

Question

Quizplus · Accepted Answer

Dr. Feldman's study, which assesses participants every five years over a long period, is a longitudinal study. This design allows for the observation of changes and developments in the participants over time.

Dr Feldman Is Studying Sibling Rivalry