13. A clinical psychologist has found that scores on a new depression scale predict satisfaction with psychotherapy. The regression constant in the linear prediction rule for predicting satisfaction from the depression score is 12 and the regression coefficient is –.4.

(a) Indicate the predictor variable and

(b) the criterion variable.

(c) Write the linear prediction rule for this example. Indicate the predicted satisfaction for people with each of the following depression scores:

(d) 8,

(e) 6,

(f) 5, (g) 3, and (h) 0.