A researcher obtains a strong positive correlation between aggressive behavior for six-year-old children and the amount of violence they watch on television. Based on this correlation, which of the following conclusions is justified?

a. Decreasing the amount of violence that the children see on TV will reduce their aggressive behavior.

b. Increasing the amount of violence that the children see on TV will increase their aggressive behavior.

c. Children who watch more TV violence tend to exhibit more aggressive behavior.

d. All of the above