Dr. Tucker and his research team are interested in how aggression changes as we age. The team will recruit 100 3-year-old childr
en and assess their levels of aggression every three years until the participants turn 21. This is an example of cross-sectional research. True or false?
A cross sectional research examines changes between different population in a specific period of time. In this case the investigation of Dr. Tucker, is a longitudinal research. This research analyses changes in the same population in different periods of time which can provide data of changes of behavior of children over the time.
