Darah 5 - Selection experimenter bias-process of selecting...

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Research methods Maturation - development changes and/ or learning that occurs and may be confound with IV Testing effects - testing procedure and/or practice effects may be confounded with IV Regression toward the mean -may occur whenever 2 measurements are imperfectly related; extreme values from first measurement are generally associated with less extreme values
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Unformatted text preview: Selection/ experimenter bias-process of selecting participants may lead to bias Mortality-some participants may be less likely to complete a study resulting in bias Good subject tendency-altering of behavior to comply with expectations about task demands Statistical validity...
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This note was uploaded on 12/12/2011 for the course PSY 0035 taught by Professor Barbkucinski during the Fall '08 term at Pittsburgh.

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