Phone: +81-50-5533-8500 E-mail: taka Education: Bachelor of Education, Department of Education, Tokyo Univ., 1991 Master of Education, Graduate School of Education, Tokyo Univ., 1994 Degree: Doctor of Education, Tokyo Univ., 1997, Title of Doctoral Thesis: Generalized Homogeneity Analysis for Qualitative Data Analysis. Employment: 1994-2000, Assistant Professor, The Institute of Statistical Mathematics 2000-2005, Associate Professor, The Institute of Statistical Mathematics 2005-present, Associate Professor, Department of Data Science, The Institute of Statistical Mathematics Honors & Awards: Kido award of the Japanese Association of Educational Psychology for 1997, Award of the Behaviormetric Society of Japan for 1999 Research Fields: Statistical Survey Research Research Themes: Nonresponse bias in social survey, Indirect questioning techniques, Mode effects in survey research

Selected Papers
(1)Tsuchiya, T., Hirai, Y. and Ono, S. (2007): A study on the properties of the item count technique, Public Opinion Quarterly, 71, 253-272.
(2)Tsuchiya, Takahiro (2005): Domain estimators for the item count technique, Survey Methodology, 31(1), 41-51.
(3)Tsuchiya, Takahiro (1998): Homogeneity analysis for partitioning qualitative variables, In Data Science, Classification, and Related Methods (eds. C.Hayashi, N.Ohsumi, K.Yajima, Y.Tanaka, H.H.Bock and Y. Baba), Springer-Verlag, 452-459.
(4)Tsuchiya, Takahiro (1996): A probabilistic multidimensional scaling with unique axes, Japanese Psychological Research, 38(5), 204-212.

Membership of Academic Societies
Japan Statistical Society, The Behaviormetric Society of Japan, Japan Classification Society, The Japanese Psychological Association, The Japanese Association of Educational Psychology

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