While score comparability across test forms typically relies on common (or randomly equivalent) examinees or items, innovations in item formats, test delivery, and efforts to extend the range of score interpretation may require a special data collection before examinees or items can be used in this way--or may be incompatible with common examinee…

Mixed-format assessments are increasingly being used in large scale standardized assessments to measure a continuum of skills ranging from basic recall to higher order thinking skills. These assessments are usually comprised of a combination of (a) multiple-choice items which can be efficiently scored, have stable psychometric properties, and…

Translating achievement tests and questionnaires prepared in one language and culture for use in other languages and cultures has been a long-standing practice. Unfortunately, there is considerable technical evidence that suggests that the quality of test translations varies considerably, and too often the translations are not very good, thus…