Psychology 2135 Lecture Notes - Lecture 17: Inductive Reasoning, Anchoring, Syllogism
3 Mar 2020
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Inductive reasoning: involves drawing a general conclusion based on speci c instances, ex. He will probability not change his belief. Con rmation bias: tendency to search for information that con rms what we already know/believe while ignoring discon rming evidence, lord et al. (1979, 2 groups of participants, group 1: in favour of capital punishment (cp, group 2: against cp. 1: read two articles on cp, one suggesting its e ectiveness (at deterring murder), other suggesting ine ectiveness, results: participants more convinced by articles that supported their original. Tuesday, march 26, 2019 view: leads to selective memory, ex. Gamblers betting on a football game: wins are con rming evidence, losses are remembered as near-wins. Belief perseverance: people"s beliefs can persist, even in the face of discon rming evidence, ex. 2: a syllogism conclusion is valid when it"s conclusion follows logically from premises.
