Testing organizations are faced with increasing demand to provide subscores in addition to the total test score. However, psychometricians argue that most subscores do not have added value to be worth reporting. To have added value, subscores need to meet a number of criteria: they should be reliable, distinctive, and distinct from each other and…

In many reading comprehension tests, different test formats are employed. Two commonly used test formats to measure reading comprehension are sustained passages followed by some questions and cloze items. Individual differences in handling test format peculiarities could constitute a source of score variance. In this study, a bifactor Rasch model…

The purpose of the present study is to compare the psychometric qualities of canonical single-response multiple-choice items with their double-response counterparts. Thirty, two-response fouroption grammar items for undergraduate students of English were constructed. A second version of the test was constructed by replacing one of the correct…