measurement2 - 031:010 Research Methods in Psychology...

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031:010 - Research Methods in Psychology Spring, 2010 Jan 28 th
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Happy Median ( ) with regard to the validity of operational definitions w e’re empirical scientists … … but rationalists are really good at thinking Content (and face) Validity exhaustive exclusive Predictive (Criterion) Validity correlations Convergent Validity Discriminant Validity
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Learning from “Mistakes” with regard to the validity of operational definitions W hat does it mean when a new measure “fails” a test for convergent validity? (a) the new measure does not provide an accurate estimate of the theoretical construct (b) the theoretical construct is ad hoc ( instead of real ) and the new measure fails to activate it
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Learning from “Mistakes” with regard to the validity of operational definitions actual self- concept ideal self- concept actual-ideal self-concept discrepancy existing measure new measure
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with regard to the validity of operational definitions W hat does it mean when a new measure “fails” a test for discriminant validity? (a) the new measure does not provide an accurate estimate of the theoretical construct (b) the theoretical construct is distributed ( instead of
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measurement2 - 031:010 Research Methods in Psychology...

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