PSY201H5 Lecture Notes - Lecture 1: Order Of Operations, Osmosis, Statistical Hypothesis Testing
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Notation: n= total observations, n=5, x or y= variables, x= happiness score. Pemdas: parentheses, exponents, multiplication/division (which ever comes first, left to right, addition/subtraction (which ever comes first, left to right) What is stats: a set of mathematical procedures for organizing, summarizing, and interpreting information (gravetter and wallnau, 2013, bring order to chaos. It"s everywhere- sports and games, marketing, crime, etc. o: understand research findings, understand psychological research in your classes or later occupations. Scientist b cannot replicate the work: many times, scientist b never bothers because there is no glory in confirming work. Many of our "findings" might not be real. You want to show that people can learn statistics by osmosis: you run 20 studies, in each group, one learned via osmosis, one learned via psy201, study 20 supported your hypothesis. In psychology: osf and nosek (2016) Of 100 studies, only 36% successfully replicated and most were less "strong"
