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PSYCH 315 Notes for Week 1

by: kgottuk

PSYCH 315 Notes for Week 1 Psych 315

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About this Document

These are a slightly condensed notes from the first week of class that cover the main vocabulary and the different types of statistics.
Statistics of Psychology
Dr. Dana Nelson
Class Notes




Popular in Statistics of Psychology

Popular in Psychology (PSYC)

This 1 page Class Notes was uploaded by kgottuk on Saturday October 8, 2016. The Class Notes belongs to Psych 315 at University of Washington taught by Dr. Dana Nelson in Fall 2016. Since its upload, it has received 21 views. For similar materials see Statistics of Psychology in Psychology (PSYC) at University of Washington.


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Date Created: 10/08/16
Notes Week 1 Vocab: Statistics: classifies, analyzes, and organizes data (not proof, just evidence) Descriptive Stats: summarize and organize observations Inferential Stats: allows sample conclusion to be inferred to the population of a study Random Sample: allows more probability that the sample will represent the population Experimental Design: systematically manipulates change Independent Variable (IV): manipulated variable Dependent Variable (DV): measured variable after IV to determine change or causation Nonexperimental Design: natural environment study; no manipulation by experimenter Predictor/Subject IV: variable thought to occur before criterion Criterion/Outcome Variable: variable thought to follow predictor Differences: Statistics  Parameters  What they mean (sample) (population) n N # within the population/study xx µ Mean Descriptive Statistics: ­ Information from sample cannot be inferred to population Inferential Statistics: ­ Information from sample can be inferred to population ­ Requires random sampling o Problem with random sampling: sample is not always representative of population o Counter to random sampling: the larger the sample, the higher chance of the  sample being representative of the population


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