Avery is investigating whether the changes in intelligence that can happen as we age are attributable to childhood environmental conditions.He begins by testing the intelligence of a large sample of 8-year ol children,and then he thoroughly assesses each child's environmental conditions.He then plans on re-testing the intelligence of each participant every 2 years for the next 10 years.Avery is using a ___ research design.
A) cross-sectional
B) correlational
C) sequential
D) longitudinal

Question

Quizplus · Accepted Answer

Avery's research involves testing the same group of participants over a long period of time (10 years) to study changes in intelligence with age. Therefore, he is using a longitudinal research design.

Avery Is Investigating Whether the Changes in Intelligence That Can