Unformatted text preview: Measurement Issues-Validity- Valid if it measures what it claims to measure. Criterion/construct. Internal/ External validity.-Face validity-Predictive/criterion validity- behavior-Congruent/Convergent validity- measures correlate with other scales.-Discriminant validity- scale doesn’t correlate with other unrelated scales.-Reliability- degree to measure actually represents the “true” level of the trait. -Reliability=consistency-Test-retest reliability- scores should be similar-Internal consistency- All seem to be measuring the same thing. Consistency between the same questions.-A scale may be reliable but not valid.-Curvilinear- self control research. Best place to be is midpoint.-...
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- Summer '06
- Congruent/Convergent validity- measures, Discriminant validity- scale, Internal/ External validity