Possible to talk about a validity coefficient in an absolute sense Validity = correlation with criterion (e.g., intelligence with school grades) How well it predicts this outcome is the validity of the test. Evidence regarding the consequences of testing The 2014 Standards definition of Validity: A unitary form of validity, based on evidence from multiple sources to support an argument for what the test scores actually mean (essentially unchanged from 1999) Expand upon the criterion view of Validity: Early 1950s: Guilford, Gullikson, CuretonīASIS: A test is used to predict an outcome.
Evidence from the relationship to other variablesĥ. What was the 1954 Standards definition of Validity? Criterion-based view -"A test is valid for anything with which it correlates" (Guilford, 1946) What was the 1966 Standards definition of Validity? Tripartate view (dominated psychology)ĬRITERION VALIDITY (concurrent & predictive)ĬONTRUCT VALIDITY (discriminant & convergent) What was the 1985 Standards definition of Validity? Tripartate + outcomes (intended or unintended consequences of the test) What was the 1999 Standards definition of Validity? A unitary form of validity, based on evidence from multiple sources to support an argument for what the test scores actually meanĤ. What is the over-arching standard of validity? A rationale should be presented for each recommended interpretation and use of test scores, together with a summary of the evidence and theory bearing on the intended use or interpretation.
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