PSYC 3020 Chapter : Ch 8
Document Summary
Administer test & criterion measure at 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: Admin self-reported alcoholism & c-dis concurrently to 118 patients in a va hospital: results: Self-reported alcoholism 1 & 2 and c-dis scores correlated, r= . 6 and . 75, respectively: conclusion: Self-reported alcoholism appropriate for diagnosing alcohol dependency (bc are high: 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 tests scores with the criterion: predictive validity example: preparation for marriage questionnaire, hypothesis: Engaged couples who had high scores on prep-m would have more satisfying & stable marriages: method: Assess marital satisfaction and stability after 1 year of marriage: results, range restriction. Husbands" scores correlated at . 44 with marital satisfaction and at . 34 with stability.
