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Bruno D. Zumbo – International Journal of Assessment Tools in Education, 2023
In line with the journal volume's theme, this essay considers lessons from the past and visions for the future of test validity. In the first part of the essay, a description of historical trends in test validity since the early 1900s leads to the natural question of whether the discipline has progressed in its definition and description of test…
Descriptors: Test Theory, Test Validity, True Scores, Definitions