Chapter III Full overview!
Chapter III Full overview! PSYC 3980
Popular in Research Design in Psychology
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This 3 page Class Notes was uploaded by Allison Coley on Monday August 31, 2015. The Class Notes belongs to PSYC 3980 at University of Georgia taught by Robert P. Mahan in Summer 2015. Since its upload, it has received 78 views. For similar materials see Research Design in Psychology in Psychlogy at University of Georgia.
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If you want to pass this class, use these notes. Period. I for sure will!
-Keith Gorczany V
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Date Created: 08/31/15
Research Design In Psychology Chapter III Three Claims Frequency claim Observational research Describe a level of one variable in a certain population ALWAYS measured not manipulated anecdotal claims are not frequency claims single data points do not always re ect a general trend Association claim Suggests that one variable is associated with another variable Correlates as one variable changes so does the other Correlation does NOT imply causation Must be two variables Always measured not manipulated 39339 Positive association for variables A amp B 11 M 39339 Negative association for variables A amp B Causal claim A causes 3 Most extreme claim Experiment REQUIRED Covariance outcome variables are correlated Temporal precedence causal variable Aindependent came before outcome variable Bdependent No confounds no other variable can explain the relationship Four BIG Validities gt Construct Validity Research Design In Psychology I How did researchers operationalize I Is this reliable gt External Validity I How well do the results generalize to the population in question gt Statistical Validity I Is this statistically signi cant Strong relationship I Are there statistical errors I Is there a type I error false positive I Is there a type II error false negative gt Internal Validity I Do any other variables confounds explain the relationship I Conduct experiment with manipulated independent and measured dependent variables I What is the effect of the independent variable on the dependent variable What To Use When 1 Frequency Claims Construct Validity Research Design In Psychology External Validity a Association Claims Construct Validity ExternalValidity StatisticalValidity a Causal Claims Construct Validity ExternalValidity StatisticalValidity InternaIValidity D m Morling B 2012 1 Psychology Is a Way of Thinking In Research methods in psychology Evaluating a world of information Second ed NY Norton amp Company
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