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Unformatted text preview: 2007-09-20Statistics and Psychology•Make Observations, Gather Data (Ex. Self-report questionnaire)•Reduce the data – Central Tendency / average (most common – median)•Process of Statistical Interpretation numerical associationsoHow to interpret numerical associations and differences?Measures of variabilityDealing with chanceMaking estimatesDescriptive and Inferential Statistics•Psychological research most often involves data sets composed of multiple assessments that are of little use as is,oEx. “What is the relation of anxiety to test performance?”•Descriptive Statistics oUse descriptive statistics to provide digestible and meaningful summary of observationsoUse numerical and graphical methods to look for patterns in a data set to:Summarize the informationPresent the information in a convenient formHow to describe:•1. the entire sample•2. central tendency (mean, median, and mode)oMode – most frequently occurring value in a...
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This note was uploaded on 04/04/2009 for the course PSYCH 1000 taught by Professor Atkinson during the Spring '09 term at UWO.
- Spring '09