A central message of health psychology is that health and illness are subject to psychological influences

Construct validity is also called predictive validity

Indicate whether the statement is true or false

What has been found to be the most important factor in predicting therapy outcome with client-centred therapy?

a) The therapist's behaviour b) The patient's behaviour c) The patient's perception of the therapist behaviour d) Phenomenological experiences shared by both the therapist and the patient about the how the therapy is going