The purpose of this study was to examine the impact of dimensionality, common-item set format, and different scale linking methods on preserving equity property with mixed-format test equating. Item response theory (IRT) true-score equating (TSE) and IRT observed-score equating (OSE) methods were used under common-item nonequivalent groups design.…

Methods of computerized adaptive testing using conventional scoring methods in order to develop a computerized placement test for the Test of English as a Foreign Language (TOEFL) were studied. As a consequence of simulation studies during the first phase of the study, the multilevel testing paradigm was adopted to produce three test levels…

Scholastic achievement tests and mental ability tests normally consist of a set of multiple choice items, all of which are assumed to measure school-relevant cognitive abilities. The presumption, in a given test situation, is that the answers/solutions to the given tasks represent cognitive capabilities on the part of the examinees. The purpose of…