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Download full textAttali, Yigal; Saldivia, Luis; Jackson, Carol; Schuppan, Fred; Wanamaker, Wilbur – ETS Research Report Series, 2014
Previous investigations of the ability of content experts and test developers to estimate item difficulty have, for themost part, produced disappointing results. These investigations were based on a noncomparative method of independently rating the difficulty of items. In this article, we argue that, by eliciting comparative judgments of…
Descriptors: Test Items, Difficulty Level, Comparative Analysis, College Entrance Examinations
