PSYC203 Lecture Notes - Face Validity, Personality Disorder, Internal Consistency
27 Oct 2013
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Document Summary
Tried to identify mental health problems in a similar way across cultures. Why measure psychopathology: to identify boundaries of appropriate use. Advert misuse or abuse of measures: to know constraints on interpretation of results. Limits of meaning: to understand the constructs tabbed by the measure, to ensure that patients can benefit from assessment practice. Correlation: significance criterion, r > . 197, n = 100. Reliability: the replicability of the score, the consistency or stability od a score across measurements, the proportion of true-score variance in a fallible score, sources of error. Validity: the meaningfulness of a score, the degree to which a score corresponds to the construct that the measure is assumer to quantify, methodologies. Correlation between a score and a criterion score. Correlation between a score and a criterion outcome. Merges with theoretical and empirical research: a construct is defined implicitly by a network of propositions. Predictive and concurrent validity (with diverse criteria)
