Elyse Is Interested in Studying Aggression

Elyse is interested in studying aggression. To do so, she decides to look at horn-honking behaviour at stop signs and records the number of times someone honks their car horn before the car in front moves on. In this example, horn-honking is the _____ and the number of honks recorded is the _____.

A) independent variable; dependent variable
B) dependent variable; independent variable
C) operational definition of aggression; dependent variable
D) controlled variable; measured variable
E) dependent variable; error variance