This commentary highlights major validation challenges raised, explicitly or implicitly, from the four articles in the special issue on "Validity Considerations for Assessing Language Proficiency in Young Language Minority Students." They are concerned with: (1) the construct definition in consideration of young language-minority (LM)…

The field of language testing has made great strides in measuring language use. It is a monolingual construct, however, that anchors standardized language testing operations and classroom practices. Language use and performance research, see for example the MLJ special issue of 2011, demands that language testing operations also consider…

The purpose of this study was to create and prototype a dual language assessment task that allows young English learners to use their entire cadre of linguistic resources (language and non-verbal resources) to obtain information about their emergent language abilities. We developed a dual language assessment task in which students described a…

In this article, we report on our development of a translanguaged French/English listening task as part of the revision of a test for professors in a bilingual Canadian university. The primary objective in revising the test was to more authentically represent the target language use domain, which regularly includes translanguaging. We describe the…

The notion of language dominance is often defined in terms of proficiency. We distinguish dominance, as a property of the bilingual mind and a concept of language knowledge, from proficiency, as a concept of language use. We discuss ways in which language dominance may be assessed, with a focus on measures of mean length of utterance (MLU).…