This paper presents the author's critique to Paul E. Newton's article titled "Clarifying the consensus definition of validity." In his article, Newton not only clarifies but also redefines the consensus definition of validity. In this redefinition he omits the term "construct" and introduces the term "measurement." Both omission and introduction…

Paul E. Newton's article on the consensus definition of validity tackles a number of big issues and makes a number of strong claims. I agreed with much of what he said, and I disagreed with a number of his claims, but I found his article to be consistently interesting and thought provoking (whether I agreed or not). I will focus on three general…

Considering consequences in the evaluation of validity is not new although it is still debated by Paul E. Newton and others. The argument-based approach to validity entails an interpretative argument that explicitly identifies the proposed interpretations and uses of test scores and a validity argument that provides a structure for evaluating the…