Which of the following is an example of a negative direction of association.

A. As number of hours of TV watched per week increases, number of hours spent reading per week decreases.
B. The more extracurricular activities in which a student participates, the more likely the student will describe his or her school experience as positive.
C. As an individual's income decreases, so does the likelihood that he or she will vote.
D. The higher an individual's score on a depression index, the more likely that he or she will attempt suicide.

A. As number of hours of TV watched per week increases, number of hours spent reading per week decreases.