This article reports on the development and piloting of a German version of a concept test to assess students' conceptual knowledge of density. The concept test was administered in paper-pencil format to 222 German secondary school students as a post-test after instruction in all relevant concepts of density. We provide a psychometric…

Many scholars compared various item discrimination indices in real or simulated data. Item discrimination indices, such as item-total correlation, item-rest correlation, and IRT item discrimination parameter, provide information about individual differences among all participants. However, there are tests that aim to select a very limited number…

Elicited Imitation Tests (EITs) are commonly used in second language acquisition (SLA)/bilingualism research contexts to assess the general oral proficiency of study participants. While previous studies have provided valuable EIT construct-related validity evidence, some key gaps remain. This study uses an integrative data analysis to further…

Since its implementation in 2004, the Canadian English Language Benchmark Assessment for Nurses (CELBAN) has been accepted as evidence of language ability for licensure of internationally educated nurses (IENs) in Canada. This article focuses on the complexities of sustaining an occupation-specific assessment over time. The authors reference the…

The choice of anchor tests is crucial in applications of the nonequivalent groups with anchor test design of equating. Sinharay and Holland (2006, 2007) suggested "miditests," which are anchor tests that are content-representative and have the same mean item difficulty as the total test but have a smaller spread of item difficulties.…

It has been over a decade since the International Civil Aviation Organization proposed Language Proficiency Requirements to improve aviation English proficiency and air safety through adequate aviation English tests. Yet, many of the aviation English assessment procedures appear to not meet international professional standards for language tests.…

This White Paper provides a selection of some general principles of assessment or overarching ideas that may guide educators in selecting, developing, and implementing assessments of students' learning at all instructional levels or educational settings in which they are used. These principles represent a framework for understanding the nature of…

Variation in test performance among examinees from different regions or national jurisdictions is often partially attributed to differences in the degree of content correspondence between local school or training program curricula, and the test of interest. This posited relationship between test-curriculum correspondence, or "alignment,"…