PSY3120 Lecture Notes - Lecture 11: Systematic Review, Time Series, Randomized Controlled Trial
Document Summary
Psychology is invisible, abstract and difficult to define. Psychotherapy is an art as much as it is a science. The highest compared to all other health practitioners. Psychological debriefing after a traumatic event: single session debriefing actually shown to be ineffective or even harmful, playing tetris after traumatic event beneficial. Psychologists are experts in thinking biases, but this does not make us immune. Our cognitive biases and our instinct to rationalize our benefits with logical fallacies prevent us from seeing how things actually are. We need quality scientific evidence to reduce the chance of bias. Looking straight ahead at the lecture screen see if (cid:455)ou (cid:272)a(cid:374) per(cid:272)ei(cid:448)e the (cid:272)olor of the perso(cid:374)(cid:859)s (cid:272)lothes (cid:374)e(cid:454)t to (cid:455)ou. Psychotherapy is more effective than no treatment. Average effect sizes of cohe(cid:374)(cid:859)s d-. 80 = a large effect: 69% of success rate, 15% of the outcome variance accounted for by therapy.