PSY3130 Lecture Notes - Lecture 6: Safe Sex, Motivational Interviewing, Statistical Hypothesis Testing
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Dependent on the combination of severity and likelihood. Weinstein found little variation in perceived risk beyond a 50% likelihood (e. g. , 50% vs 75% cha(cid:374)ce did (cid:374)ot cha(cid:374)ge i(cid:374)dividual s perceived risk (cid:373)uch co(cid:373)pared to 0% vs. With high severity events, individuals tend to have overweight risk, even when the likelihood of occurrence is very low. People tend to believe that benefits of one behavior balances out the risk of another. If you have disease x, you have 75% chance of screening positive on a test. If you do not have disease x, you still have a 10% of getting a positive result if screened. Your doctor tells you, you screened positive on the test. Rating your own risk as lower than average. E. g. , a non-smoker may perceive low risk if compared to smokers. A smoker may perceive lower than average risk if compared to heavy smokers, etc personal feedback.