Empirical Profiles of Academic Oral English Proficiency from an International Teaching Assistant Screening Test ITA ESL IRT
- Author(s):
- Choi, Ikkyu
- Publication Year:
- 2017
- Source:
- Language Testing, v34 n1 p49-82, 2017
- Document Type:
- Article
- Page Count:
- 34
- Subject/Key Words:
- English Proficiency, International Teaching Assistant (ITA), Oral Proficiency, English as a Second Language (ESL), Item Response Theory (IRT), Screening Tests, Mixture Models, Oral English, Profiles, Subscores