C-tests are gap-filling tests mainly used as rough and economical measures of second-language proficiency for placement and research purposes. A C-test usually consists of several short independent passages where the second half of every other word is deleted. Owing to their interdependent structure, C-test items violate the local independence…

This article provides a single, common-case study of a test retrofit project at one Colombian university. It reports on how the test retrofit project was carried out and describes the different areas of language assessment literacy the project afforded local teacher stakeholders. This project was successful in that it modified the test constructs…

The C-test is a type of gap-filling test designed to efficiently measure second language proficiency. The typical C-test consists of several short paragraphs with the second half of every second word deleted. The words with deleted parts are considered as items nested within the corresponding paragraph. Given this testlet structure, it is commonly…

Testlets are subsets of test items that are based on the same stimulus and are administered together. Tests that contain testlets are in widespread use in language testing, but they also share a fundamental problem: Items within a testlet are locally dependent with possibly adverse consequences for test score interpretation and use. Building on…

Title III of Public Law 107-110 (No Child Left Behind; NCLB) provided for creation of assessments of English language learners (ELLs) and established, through the Enhanced Assessment Grant program, a platform from which four consortia of states developed ELL tests aligned to rigorous statewide content standards. Those four tests (ACCESS for ELLs,…

The present study investigated the effects of reducing the number of options per item on psychometric characteristics of a Japanese EFL university entrance examination. A four-option multiple-choice reading test used for entrance screening at a university in Japan was later converted to a three-option version by eliminating the least frequently…

Violations of item unidimensionality on language tests produced distorted estimates of person ability, and violations of person unidimensionality produced distorted estimates of item difficulty. The Bejar Method was sensitive to such distortions. (Author)