PSYC 3020 Lecture Notes - Lecture 6: Alcoholism, Discriminant, Nomological Network
Document Summary
Week 6 tests and measures - chapters 8 & 9. Chapter 8 evidence of validity based on a test"s relationships with external criteria (criterion-related validity: what is criterion-related validity, criterion-related validity: evidence that test scores correlate with or predict indv. Adm. test and criterion measure at the same time to same group of people. Correlate tests scores with the criterion: concurrent validity example: self-reported alcoholism and c-dis, hypothesis: 2 measures of self-reported alcoholism will predict c-dis scores: method: Adm. self-reported alcoholism and c-dis concurrently to 118 patients in a va hospital: results: Self-reported alcoholism 1&2 and c-dis scores correlated, r=. 60 and . 75, respectively: conclusion: Self-reported alcoholism appropriate for diagnosing alcohol dependency: predictive validity, predictive evidence for validity: test scores obtained at one point in time and criterion measured at a later point in time, steps: Correlate test scores with criterion: predictive validity example: preparation for marriage questionnaire, hypothesis:
