1 Matching Annotations
  1. Jan 2021
    1. Validity is a unitary concept. It is the degree to which all the accumulated evidence supports the intended interpretation of test scores for the proposed use. Like the 1999 Standards, this edition refers to types of validity evidence, rather than distinct types of validity. To empha-size this distinction, the treatment that follows does not follow historical nomenclature (i.e., the use of the terms content validity or predictive validity). (