What and How Much Evidence Do We Need? Critical Considerations in Validating an Automated Scoring System NLP TOEFL iBT ELLA
- Author(s):
- Xi, Xiaoming
- Publication Year:
- 2008
- Source:
- Chapelle, C.A.; Chung Y.-R.; Xu, J. (eds.) Towards Adaptive CALL: Natural Language Processing for Diagnostic Language Assessment. Ames IA: Iowa State University, 2008, p102-114
- Document Type:
- Chapter
- Page Count:
- 13
- Subject/Key Words:
- Natural Language Processing (NLP), Automated Scoring Systems, Test of English as a Foreign Language (TOEFL), Internet Based Testing (iBT), SpeechRater, Score Interpretation, Validity, English Language Learning and Assessment (ELLA)