PSC 41 Lecture 3: Lecture 3 - 4/11/17
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PSC 41 Full Course Notes
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Outline: critical thinking: critiquing claims about relationships b/w variables, steps in critical thinking. Is it true (have they met the threshold to convince a scientific thinker): way the strengths and weaknesses and come to a conclusion if you are convinced. Example claim: people who eat champion cereal for breakfast will be more successful than people who eat. Great gruel for breakfast: claim: predictor variable (_____) causes outcome variable (_____). Just (cid:271)/(cid:272) the(cid:455) a(cid:396)e asso(cid:272)iated does(cid:374)(cid:859)t (cid:373)ea(cid:374) the(cid:455) a(cid:396)e (cid:272)ausal. Evidence: this group of people who ate champion cereal are more successful than that group of people who ate great gruel. Invalid implication anyone who eats champion cereal will be more successful. Invalid implication you have to eat champion cereal to be successful. Different types of people will select different groups. Reversed relationship: the groups were not equal beforehand, the relationship might be reversed.
