A Multiple Regression was conducted with hopefulness and therapist's experience as predictors and change in symptoms as the outcome variable.
From these results you could say:
a. Hope and therapist's experience are important and powerful predictors of change in symptoms
b. Hope is an important and powerful predictor of change in symptoms, but therapist's experience is not
c. Hope and therapist's experience are moderate predictors of change in symptoms
d. Therapist's experience is a poor predictor of change in symptoms
Multiple regression analysis aims to assess variables and see which ones predict the most variance in the outcome measure. In the question you stated from the multiple regression analysis you would be able to see how much each variable (hopefulness and ...
The solution provides a suggested answer to a multiple choice question regarding multiple regression, as conducted with hopefulness and therapist experience.