ผู้เขียน: Vahid Aryadoust

Vahid Aryadoust is Lecturer at the Centre for English Language Communication (CELC) of the National University of Singapore. He teaches academic writing and oral communication skills to science students and serves as the co-chair of the assessment committee at CELC. His research focuses on the application of structural equation modelling, data mining, latent trait/class models, and chaos and complexity in pedagogy and assessment. He has been a frequent presenter at international conferences and has actively published papers in educational assessment journals. He was also awarded Spaan Research Grants in 2009 and 2013 by Cambridge-Michigan Language Assessments. Janna Fox is Associate Professor and Director of the Language Assessment and Testing Research Unit within the School of Linguistics and Language Studies, Carleton University, Canada, where she teaches courses on research methods, language testing, and curriculum. Her research addresses questions arising from the interplay of language teaching, assessment, curriculum, and policy. She is currently co-authoring a book with Liying Cheng on assessment for language teachers for the Palgrave Macmillan series Applied Linguistics for the Language Classroom, and was a founding member of the Canadian Association of Language Assessment/ Association canadienne pour lӎvaluation des langues (CALA/ACEL). She serves on the Board of Paragon Testing Inc., Vancouver, Canada.