ACT requested assistance from the National Center for the Improvement of Educational Assessment (Center for Assessment) to investigate declines of scores for states administering the ACT to its 11th grade students in 2018. This request emerged from conversations among state leaders, the Center for Assessment, and ACT in trying to understand the…

Whether the shaping of test items can itself result in qualitative differences in examinees' comprehension of reading passages was studied using the Pearson-Johnson item classification system. The specific practice studied incorporated, within an item stem line, references that point the examinee to a specific location within a reading passage.…

Tables of specifications are used to guide test developers in sampling items and maintaining consistency from form to form. This paper is a generalizability study of the American College Testing Program (ACT) Achievement Program Mathematics Test (AAP), with the content areas of the table of specifications representing multiple dependent variables.…

The purpose of this study was to investigate the effect of using multidimensional items in a computer adaptive test (CAT) setting which assumes a unidimensional item response theory (IRT) framework. Previous research has suggested that the composite of multidimensional abilities being estimated by a unidimensional IRT model is not constant…

Guidelines for test item-writing have traditionally recommended making the correct answer of a multiple-choice item grammatically consistent with its stem. To investigate the effects of adhering to this practice, certain item formats were designed to determine whether the practice of providing relevant grammatical clues, in itself, created cue…