Psychology 2840F/G Chapter Notes - Chapter 5-7: Criterion Validity, Cluster Sampling, Discriminant Validity
3 Oct 2018
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Research methods textbook notes chapter 5 identifying good measurement. Choose among 3 common types of measures: self report, observational and physiological. Operationalization process of turning a concept of interest into a measured or manipulated variable. Operationalizing other conceptual variables: start by stating a de nition of their construct (conceptual variable) and then create an operational de nition (measure, even a simple variable must be operationalized. Three common types of measures: self report measures. Operationalizes a variable by recording people"s answers to questions about themselves in a questionnaire or interview. In research on children, self reports may be replaced with parents report or teacher reports ask parent/teacher to respond to a series of questions about the child: observational measure. Operationalizes a variable by recording observable behaviours or physical traces of behaviours (operationalize happiness by observing how many times a person smiles) Intelligence tests are considered a part of observational measures because you are observing people"s intelligent behaviours.
