The performance decision tree (PDT; Fulcher et al., 2011) is a rubric style that is applicable to performance assessment, with origins in Upshur and Turner's (1995) empirically derived binary-choice, boundary-definition (EBB) scale. It is easier for raters to assess performance by evaluating multiple binary-choice descriptors. Additionally,…

It is becoming increasingly important for individuals for whom English is a second language to demonstrate their linguistic credentials for academic, work and employment purposes. One option is to undertake International English Language Testing System (IELTS), which involves attempting to meet the linguistic entrance criteria set by a gatekeeping…

Background: A strong interest in researching World Englishes (WE) in relation to language assessment has become an emerging theme in language assessment studies over the past two decades. While research on WE has highlighted the status, function, and legitimacy of varieties of English language, it remains unclear how raters respond to the results…

This study was designed to determine how well existing analytic rating scales functioned in the assessment of low- to mid-proficiency Japanese university students' interactive English speaking ability when engaged in small group discussions. Many-facet Rasch measurement (MFRM) was employed to evaluate the quality of adapted rating scales for…

Background: Although teachers of English are required to assess students' speaking proficiency in the Common European Framework of Reference for Languages (CEFR), their ability to rate is seldom evaluated. The application of descriptors in the assessment of English speaking on CEFR in the context of English as a foreign language has not often been…