Textbook Notes (368,432)
United States (206,039)
Psychology (136)
PSY 3221 (5)
Chapter

Critical Thinking 5

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Department
Psychology
Course
PSY 3221
Professor
Jeremy Tyler
Semester
Fall

Description
Critical Thinking Chapter 5IWays to measure variablesaThe construct validity of a studys measured variables is something youll interrogate for any type of claimbPsychological scientists measure variables in every study they conduct c3 common types of measures iSelfreport measuresa method of measuring a variable in which people answer questions about themselves in a questionnaire or interviewiiObservational measuresa method of measuring a variable by recording observable behaviors or physical traces of behavioriiiPhysiological measuresa method of measuring a variable by recording biological dataivA single construct can be operationalized in several wayshave to be validated by using other measuresdScales of measurementiOperational variables are primarily classified as categorical levels of categorical nominal variables are categories ex Sex or quantitative quantitative variables have meaningful numbers ex Height ii3 types of quantitative variables
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