P11C+Lecture+8

P11C+Lecture+8 - 12/1/2010 + How and why therapy works...

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12/1/2010 1 + Psychology Fundamentals Professor Skeem P11C/P9C How and why therapy works + How and why therapy works Evaluating treatment Does therapy work? If so, why and how? Summing Up: Big Themes + Evaluating psychotherapy s Three methods s Client opinion ( Consumer Reports) s RCT s Meta-analysis s Client survey problems s Response rate is key s No controls for spontaneous remission s Effort justification may be a particular problem
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12/1/2010 2 + Effort justification (Cooper, 1980) s Snake phobics s Given choice or no choice about therapy type s Given implosive therapy or exercise (bike riding) s Effectiveness= how close to a snake after therapy? 0 50 100 150 Implosive Therapy Exercise Therapy No Choice Choice Affects all study types, but particularly influential on client opinion. Was it worth the time and money? Of course. + Antidote #1: RCTs s Most are “horse races” between different models s Efficacy viewed as evidence for underlying theory s Tell us about efficacy, not effectiveness
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P11C+Lecture+8 - 12/1/2010 + How and why therapy works...

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