Under the direction of Lee Cronbach, the 1954 " Technical Recommendations for Psychological Tests and Diagnostic Techniques " grouped predictive and concurrent validity into a " criterion-orientation ", which eventually became criterion validity.
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An example of concurrent validity is a comparison of the scores of the CLEP College Algebra exam with course grades in college algebra to determine the degree to which scores on the CLEP are related to performance in a college algebra class.
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When the criterion measure is collected at the same time as the measure being validated the goal is to establish " concurrent validity "; when the criterion is collected later the goal is to establish " predictive validity ".
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Conducted research proved that the scale is a valid and useful tool for the screening of adult ADHD . The ASRS was externally validated on approximately 60 adult patients, and showed high internal consistency and high concurrent validity with the physician-administered ADHD rating system.
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The questionnaire, the Memory Functioning Questionnaire ( MFQ ), has modest concurrent validity with respect to memory performance and is a better predictor of performance than responses to a yes / no question about memory problems, as commonly used in medical history-taking.
