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The discourse of testing, in particular presenting testing as if it were a form of measurement, outstrips the science upon which testing is based. There is no evidence either that tests measure anything or that the attributes that testers aspire to measure are measurable, so presenting tests as if they were instruments of measurement is presenting a myth, the myth of mental measurement, as if it were a known fact. (p. 112)Michell, J. (2009). Invalidity in validity. In R. W. Lissitz (Ed.), The concept of validity: Revisions, new directions and applications (pp. 111-133). Charlotte, NC: Information Age Publishing.&#160;