... years.Because of stories like Sue’s, clinical and counseling psychologists have aninterest and responsibility in demonstrating that their interventionsareeffective and to use the scientific method in advancing ... practitioners and participated in many interventions, including: medication of various kinds, psychodynamic,interpersonal, supportive, humanistic, and cognitive-behavioral therapies (in- dividually and in ... from the sampling of individual items to tests consisting of many items. Thus, using the domainsampling model, we can conceive of reliability as the extent to which theitems in a domain hang together,...