PSY 280 Lecture Notes - Lecture 6: Phineas Gage, Convergent Validity, Discriminant Validity
14 Mar 2017
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Document Summary
For any phenomenon, view youtube comments to see implicit theory in action. Used to analyze, interpret, and evaluate events and relationships within a theoretical framework. Used to describe complex disorders not easily reduced to a single variable. Description, frequency, intensity, duration, contextual parameters (where does it happen) Can be gravity, friendliness, narcissism, mindfulness, obsession, compulsion. An abstraction: can"t be seen, touched, or directly measured. A theory or set of propositions about a process or characteristic and its measurement. Construct validity; the degree to which a test measure what it says it measure; the scientific process of simultaneously validating a test and the construct the test is measuring. Reliability: a test"s consistency in measuring what it measures. Validity (more generally): the degree to which a test actually measures what it is intended to measure. Psy 280 page 1 what it is intended to measure. Content validity: covers the entire content domain of a construct.
