This report provides an in-depth comparison of TOEFL iBT® and the Duolingo English Test (DET) in terms of the degree to which both tests assess academic language proficiency in listening, reading, writing, and speaking. The analysis is based on publicly available documentation on both tests, including sample test questions available on the test…

Given the significant global influence of the Common European Framework of Reference for Languages: Teaching, Learning, and Assessment (CEFR) on English language education, this study deals with aligning a university's academic reading tests to the CEFR. It aimed at validating the test construct of the academic reading tests in relation to the…

Seeking evidence to support content validity is essential to test validation. This is especially the case in contexts where test scores are interpreted in relation to external proficiency standards and where new test content is constantly being produced to meet test administration and security demands. In this paper, we describe a modified…

Cognitive diagnostic models (CDMs) have received much interest within the field of language testing over the last decade due to their great potential to provide diagnostic feedback to all stakeholders and ultimately improve language teaching and learning. A large number of studies have demonstrated the application of CDMs on advanced large-scale…

This report is an update of the assessment principles and guidelines for English language learners published in 2013 (Thurlow, Liu, Ward, & Christensen). That report, which was developed by the Improving the Validity of Assessment Results for English Language Learners with Disabilities (IVARED) project, presented essential principles of…

One of the greatest assessment challenges is providing fair and valid tests for multilingual pupils. Since language proficiency impacts their results on content tests, accommodations are suggested to help in solving the validity issues. In this mixed methods study on multilingual assessment, pupils were divided according to three testing…

The "Washington English Language Proficiency Assessment" (WELPA) is a No Child Left Behind (NCLB)-compliant instrument that is used in Grades K-12 as a formal and standardized method of measuring language proficiency. The test results provide important information for classifying English Language Learners (ELLs) and subsequently for…

The Improving the Validity of Assessment Results for English Language Learners with Disabilities (IVARED) project has identified essential principles of inclusive and valid assessments for English language learners (ELLs) with disabilities. These principles were developed from a Delphi expert review process with nationally recognized experts in…

Listening comprehension tests typically include both monologic and dialogic input to measure listening ability. However, research as to which type of input is more challenging for examinees remains limited and has provided inconclusive results (Brindley & Slatyer, 2002; Read, 2002; Shohamy & Inbar, 1991). A better understanding of the…

Data from four different school sites nationwide were analyzed to examine whether standardized test results may be confounded by the lack of language proficiency of English language learners. Several analyses comparing the performance of limited English proficient (LEP) students and their non-LEP classmates revealed major differences. A Disparity…

This study addresses the validation of an oral proficiency test by examining the language that is obtained from the items presented in the test. The study focused on the language elicited by a form of the Simulated Oral Proficiency Interview (SOPI), the Spanish version of the Texas Oral Proficiency Test (TOPT). The TOPT is used to measure the oral…

A good knowledge of English vocabulary is important for anyone who wants to use the language, so knowledge of vocabulary is often tested. A test may test one or all of the types of vocabulary (active spoken, active written, passive listening, and passive reading), but the test maker should be aware of the differences among the types and which is…

This paper discusses the development of a criterion-referenced assessment measure for both written English and American Sign Language (ASL) that can be used with deaf elementary through secondary students. The measure is presented as well as the results of a trial use. Developed by the Cleary School for the Deaf, the Cleary Language Assessment…