Dr Tomoya Okubo

Dr Tomoya Okubo is a long-time collaborator of the Psychometrics Centre and was an Academic Visitor to the department in 2018 from his host institution, the National Centre for University Entrance Examinations, Tokyo, Japan. He graduated with a BA in Psychometrics from Waseda University, Tokyo, in 2002, following this with an MSc at the Tokyo Institute of Technology in 2004. His PhD, entitled 'Modeling view-point-shift by Latent Class Model and research on the treatment of missing data' was awarded in 2007.

Tomoya has a distinguished career as a psychometrician. He is an Assistant Professor in the Department of Test Analysis and Evaluation at the Japanese National Center for University Entrance Examinations, and also holds a Fellowship from the Japan Society for the Promotion of Science. He is a Lecturer in the Graduate School of Decision Science and Technology at the Tokyo Institute of Technology and in the Department of Economics at Saitama University, Japan. Additionally, he is a member of the Psychometric Society, the Behaviormetric Society of Japan, the Japan Association for Research in Testing and the Japan Evaluation Society.

As well as being knowledgeable in all the computer languages favoured by psychometricians, including SAS, JMP, Mathematica and Mplus, Dr Okubo is an accomplished software developer, using the R environment to develop new routines for item response theory solutions to complex psychometric data. He frequently presents papers at psychometric conferences and meetings, both in Japan and worldwide. Tomoya's interests include historical architecture and the role of the Japanese novel in modern literature.

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