PSYC 215 Lecture Notes - Lecture 9: Conjunction Fallacy, Representativeness Heuristic, Availability Heuristic
4 Feb 2018
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Categorize something by judging how similar it is to our conception of the typical member of the category. October 3, 2017 (cid:862)like goes (cid:449)ith like(cid:863: can lead us astray, how representative something is does not always map on to how probable it is, e. g. Steve: can lead us to ignore base rate information base-rate neglect. Linda it is more likely that she is just a bank teller: conjunction fallacy. Jeff: is he more likely to be a lawyer, astronaut, teacher, or doctor: more likely that he is a teacher than an astronaut. If base rate is low because difficult to be in that category, we are more likely to take it into account. Lisa"s pa(cid:396)e(cid:374)ts (cid:448)isit he(cid:396) i(cid:374) mo(cid:374)t(cid:396)eal a(cid:374)d ask ho(cid:449) safe it is. Even though montreal is relatively safe, lisa recalls a recent news story about arson and tells her parents there is a lot of crime.
