Themes and variations in validity theory deep blue university of. Convergent validity and reliability merge as concepts when we look instrument, validity, reliability research rundowns survey methodology reliability and. Validity evidence based on response processes psicothema. Samuel messick educational testing service validity is an integrated evaluative judgment of the degree to which empirical evidence and theoretical rationales support the adequacy and appropriaceness of incerprecacions and accions based on test scores or other modes of assessment messick, 1989. The principles of validity apply not just to interpretive and action inferences derived from test scores as ordinarily conceived, but also to inferences based on any means of observing or documenting consistent behaviors or attributes. A framework for using consequential validity evidence in. A historical overview on the concept of validity in language testing mehraban hamavandy english department, tarbiat modares university, tehran, iran email. Incidentally, the term direct assessment is a misnomer. Markuss analysis bears directly on the controversial status of the consequential basis of test validity in relation to the more traditional evidential basis. That fine point is often missed, but is crucial in messick s formulations, as will become clearer below. This study was conducted to determine the validity, reliability and equivalence of two parallel examinations that have been developed under highly defined quality assurance qa processes in a university setting. Rr9617 validity and washback in language testing ets.
Pdf validation and validity beyond messick researchgate. Author messick, samuel title the interplay of evidence and consequences in the. Institution educational testing service, princeton, n. White paper combining multiple indicators wise, 2011. Rather than joining the ongoing debate as to whether validity is a unitary. Validity samuel messick photo by william monachan, educational testing service, princeton, nj. Is completion of samuel messick s synthesis possible. The introduction of a broadened concept of validity, where. National council on measurement in education san francisco, ca, april 1992. Assessment validation is theorized as an iterative process in which the test developer constructs an evidencebased argument for the intended testbased score interpretations in a particular population kane, 1992. An example validity argument claim is that the tests content e. Note 47p paper presented at the annual meeting of the.
The importance of messick s work on this is often related to its proposal for a unitary concept of construct validity, a characteristic that was taken further by several others, but with. The interplay of evidence and consequences in the validation of performance assessments samuel messick educational testing service abstract authentic and direct assessments of performances and products are conceptualized in terms of multiple distinctions having implications for validation. Pdf the concept of validity in theory and practice researchgate. This is tantamount to the general validity ndard of minimal constructirrelevant variance messick, 1994. Validity of psychological assessment eric us department of. Construct validity represents a summary of the evidence for and consequences of score. In this note i comment briefly on keith markuss illuminating article on science, measurement, and validity. The idea of consequential validity messick, 1988 messick, 1989davies, 1997davies, 2011davies and elder, 2005. Thus, the term score is used generically here in its broadest sense to mean any coding or summarization of observed. A historical overview on the concept of validity in. Development, administration, and validity evidence of a. Messick s framework what do evaluators need to know. Messick s framework identifies the sources of validity evidence required to support or negate the appropriateness in the use of its test scores. Kanes redefinition of validity in 1 speaks in the first instance only of an interpretation that is assigned, not about its adequacy and appropriateness.638 157 515 207 1201 1041 1301 1509 855 1281 1041 1471 569 1414 434 985 932 851 320 23 1500 1175 273 1326 469 1146 797 998 313 75 1048 1017 360 1126 88 497 547 1224 170 880 4 879