PSY 308 Lecture Notes - Lecture 3: Deductive Reasoning, Psy

• School: Ryerson University
• Department: Psychology
• Course: PSY 308
• Professor: Dana Williams

Document Summary

Reasoning: used to determine if a conclusion is correct. Conclusion: inferential belief derived from other statements (premises) Logic: states the rules for deriving valid conclusions. Most of the time, we go by our own rules instead of the rules of logic. System 2 thinking is associated with thinking with logic. System 1 thinking occurs when we go with our own emotions and intuition. Important to determine whether the premises are true. Belief bias/confirmation bias: when our beliefs interferes with our ability to reason logically. Going from specific observations to a general conclusion/rule/theory. You can never prove your general conclusion to be true. Reasoning up: going from experiences to belief/conclusion/theory (going up to brain) Going from a general rule to experiences/conclusions. Example: carl is smarter than abby, dan is smarter than bruce, carl is smarter than dan. Rules that make linear ordering problems easier: use congruent terms (short,shorter,shortest, and don"t mix the terms short and.