Vahid Aryadoust

Vahid Aryadoust received his PhD in applied linguistics from Nanyang Technological University (Singapore) in 2012. He is currently working as 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 has served 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 in international conferences and has actively published papers in educational assessment journals including Language Testing, Language Assessment Quarterly, Assessing Writing, International Journal of Testing, Educational Psychology, Educational Assessment, etc. He is the co-guest editor of two special issues for The International Journal of Listening and Educational Psychology. He was also awarded Spaan Research Grants in 2009 and 2013 by Cambridge-Michigan Language Assessments. He has provided consultation on validity and reliability in language assessments to several assessment organizations including Paragon Testing Enterprises (Canada), English Language Centre of The Hong Kong Polytechnic University, and Learning Resource Network (London).