The Peabody Picture Vocabulary Test (PPVT) is a widely used test of receptive vocabulary, but no researchers to date have examined the performance of low-educated, low-literate L2 adults, or compared these individuals' performances to their more highly educated peers. In this study, we used many-facet Rasch analysis and mixed-effects linear…

This study examines the development and evaluation of a bilingual Vocabulary Size Test (VST, Nation, 2006). A bilingual (English-Russian) test was developed and administered to 121 intermediate proficiency EFL learners (native speakers of Russian), alongside the original monolingual (English-only) version of the test. A comparison of the bilingual…

The primary purpose of this study was to provide preliminary validity evidence for a 140-item form of the Vocabulary Size Test, which is designed to measure written receptive knowledge of the first 14,000 words of English. Nineteen native speakers of English and 178 native speakers of Japanese participated in the study. Analyses based on the Rasch…

Discusses how to tackle the problem of determining a meaningful score for yes-no tests used to measure the size of receptive vocabulary. Signal Detection Theory is applied, and a new more accurate index is suggested. (Author/VWL)

Evaluates the characteristics of Yes/No tests as a measure for receptive vocabulary size in a second language (L2). The evaluation was conducted both on theoretical grounds as well as on the basis of a large corpus of data collected with French learners of Dutch. Focuses on the internal qualities of the format in comparison with other more…