Class Notes September 7

Class Notes September 7 - The statistics youre allowed to...

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Psychology 103 Class Notes September 7, 2010 Is heartbreak bad for your health? It may cause other factors to take effect into that person’s life. o Start smoking o Bad Behavior o Lack/Increase of eating How to run a science Hypothesis about how world works Prediction about specific situation Run experiment and collect data Analyze results and draw inferences Deductive Logic All men are mortal. Socrates is a man. Therefore, Socrates is mortal. But science is inductive Inductive Logic Every jub-jub bird I’ve ever seen is purple. o You can never be 100% sure. In inductive logic and science, you can’t prove your hypotheses. What makes a good theory? Fits know data Predicts new findings Is falsifiable Is simple (“parsimonious”) o Parsimony - The use of the simplest or most frugal route of explanation available.
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Unformatted text preview: The statistics youre allowed to use depend on your control over the experimental situation 1. INFERENTIAL STATISTICS Used with experiments, where irrelevant variables are controlled. Allows you to draw conclusions about causality Independent Variable In Milgram Experiment: Degree of Authority Low Authority: Vs. High Authority: Business Setting Yale (A control conditions) In Milgram Experiment: Two Conditions (Low vs. High Authority) Low Authority High Authority 45% 65% 1. Inferential Statistics 2. Descriptive Statistics (less powerful) Can summarize data or show relation among variables, but cant show cause. Example: Correlation shows relation between two variables....
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This note was uploaded on 03/12/2012 for the course PSY 103 taught by Professor Canli during the Spring '08 term at SUNY Stony Brook.

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Class Notes September 7 - The statistics youre allowed to...

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