A Researcher Is Examining Whether Aggressive Behavior Demonstrated in the Early

Multiple Choice

A researcher is examining whether aggressive behavior demonstrated in the early years can predict school drop?out rates. He asks teachers to complete behavioral rating scales for 20 children in Grade 9. He returns a year later and has the teachers complete the same form, for the same 20 children. The same procedure is repeated until they graduate or drop out. This is an example of

A) a longitudinal study.
B) a cross?sectional study.
C) an accelerated longitudinal study.
D) an epidemiological study.