# PSYB01H3 Chapter Notes - Chapter 12: Informa, Multiple Correlation, Statistical Significance

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7 Jan 2015
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## Document Summary

Chapter 12 - understanding research results: description and correlation. Stats are used for describing data and making inferences on sample data. Levels of a variable can be decribed by 4 scales o o o o. Analyzing the results if research investigation results o o o. Depending on the way the variables are studied there are 3 basic ways of describing the. Example: studying if which females or males like traveling more o. Lets say out of 50 females and 50 males. Need to focus on % because of variable of liking travel or disliking travel is nominal. Used when you do not have distinct subject groups. Each variable has a range of numerical values. Example: studying effect of exposure to an aggressive adult on children"s play o. On average how many aggressive acts did the children perform during play in. Aggression is a ratio scale variable because there is a true zero and equal intervals.

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