Psych Lecture 2

Psych Lecture 2 - A Final Piece of the What and How of...

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A Final Piece of the What and How of Psychology - Statistics and Psychology- Appendix An Essential Tool in an Empirical Science Representative sample cannot study entire population Must reflect important characteristics of population Use random sampling…or systematic selection But when do we stop adding variables?? Rational, informed judgement Degree program- yes; height- no Existing research that establishes an ampirical association. . Association with gender,family income, immigrant vs native born Canadian, urban/rural origins… Future research might include looking at particular associations with characteristics of the population rather than trying to establish representative sample Today’s Lecture Statistics and Psychology 1. Descriptive and Inferential Statistics- Concepts 2. descriptive Statistics 1. Distributions 2. measures of central tendency 3. measure of variability questions in mind? 1.
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Psych Lecture 2 - A Final Piece of the What and How of...

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