Which of the Following Examples Is Most Consistent with Your

Which of the following examples is most consistent with your textbook authors' definition of the term behaviour,a?

A) developmental psychologist counts the number of times a child verbally taunts another student on the playground to measure aggression.
B) cognitive psychologist uses a reaction time experiment to assess prejudicial beliefs.
C) biological psychologist watches the activity of a particular brain area in order to infer an animal's emotional state.
D) clinical psychologist asks a client to describe how she thinks when she gets depressed.