Psych 225 1st Edition Lecture 18 Outline of Last Lecture 1) Berkowitz Article2) Bushman and Wells Article3) Steele, Bass, and Crooke ArticleOutline of Current Lecture 1) Test Review2) Chapter 83) CP 155Current LectureChapter 8: Control-the keystone of the experimental method-control of threats to internal validity F= MSeffect divided by MSE IV and threatt= Mi-Mj divided by std. error IV and threat Slide: 3 designs of Campbell and Stanley-impact of arousal on judgments of attractivenessSlide: Excitation transfer, misattribution of arousal-Schachter & Singer~2 factor theory of emotion These notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.-Zillman-Dutton and Aron~misattribution of arousal: bridge study-woman seems more attractive on scary bridge (video)OR~men who crossed unstable bridge are type of men who would be more likely to take the risk ofcalling her; selection problem -there is a physiological component and a cognitive component Slide: Male P’s reported for a study on “learning and memory”-testing the effectiveness of various mind-clearing activities on later cognitive performanceSlide: Design 1-post test only control group-between Ss-randomly assign P’s to 1) exercise (5 minutes)/ post-test2) no exercise (5 minutes)/ post-test2 “mind-clearing activities per participantDV=attractiveness of target-appearance of target ~want person to be of average attraction Slide: Design 11) exercise: post test- M=25.00b2) no exercise: post test-M=19.00a~follows excitation transfer/misattribution of arousal for why they view girl as more attractive when they exercised-possible alternative explanation: exercise reduces hormones that make you happierSlide: Design 2 (Stanley)-pretestpost-test control grouppretestexercise post-testpretestno exercise post test Slide: Results of Design 2Pretest M=12Exercise Post test M=20*those that exercised rated girl as more attractive from pre to post test OR- scores tend to regress to the mean : statistical regressionPretest M=28No exercisePost test M=30*ratings didn’t change much from pre to post test See CP pg.
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