PSYC 213 Lecture Notes - Lecture 23: Mason Jar, Confirmation Bias, Pedestrian Crossing

• School: McGill University
• Department: Psychology
• Course: PSYC 213
• Professor: Signy Sheldon

Document Summary

Premise= statement that can be true or false. Leads to conclusion that can be true or false. Combine premises and conclusions = argument that has structure. 1- universal statements (cover all things/animals/students) i. e: all men are . 2- particular premises (individual or group of individuals some students are females, pointing at one person= male, some logical one or more. 4- negative (not, negation some people in this room are not female) Valid argument conclusion follows from the premises (i. e: if somebody is in this room, then they"re a mcgill student: can argue premises but not conclusion follows logically) Invalid argument that is true most people in this room = mcgill students, chickens have wings, penguins cant fly structurally = right but makes no sense. Invalid argument that"s false chicken have wings so penguins can fly. If told to judge validity end up looking at conclusion. Bob is taller than pog, pog is shorter than tob how tall is he .