|
Koken
OZAKI
Assistant Professor, Survey Research Group, Department of Data Science |
| Phone: |
+81-50-5533-8575 |
| E-mail: |
koken |
| Date of Birth: |
July, 1977. |
| Education: |
Bachelor of Psychology, Faculty of Letters, Waseda University, 2001.
Master of Psychology, Graduate School of Letters, Arts and Sciences, Waseda University, 2003.
Doctor of Literature, Graduate School of Letters, Arts and Sciences, Waseda University, 2006. |
| Degree: |
Doctor of Literature, Waseda University., 2006, Title of Doctoral Thesis: Item Difficulty Parameter Estimation in Item Response Theory Prior to the Administration of the Test. |
| Employment: |
2006.4-2009.3 Researcher, Japan Science and Technology Agency.
2009.4-2009.11 Research Fellow of the Japan Society for the Promotion of Science, Keio University.
2009.12- Assistant Professor, Survey Research Group, Department of Data Science, The Institute of Statistical Mathematics. |
Honors
&
Awards: |
Paper award of the Japanese Pyschological Association, 2005. |
Research
Fields: |
Psychometrics, Behavior Genetics, Test Theory. |
Research
Themes: |
Theory and Applications of Structural Equation Modeling, Behavior Genetics using Twin Data, Test Theory such as Item Response Theory. |
|
Selected Papers
(1) Toyoda, H., Murohashi, H., Ozaki, K., & Mayomi, H.(2004). Analysis of paired comparison data based on experimental design: Expression using structural equation modeling,The Japanese Journal of Psychology, 75(1),33-40.(in Japanese).
(2) Toyoda, H., Ozaki, K., Murohashi, H., & Mayomi, H.(2004). Paired comparison analysis by using structural equation modeling: Scheffe's method and its improvements,The Japanese Journal of Psychology,75(4),299-307.(in Japanese).
(3) Ozaki, K., & Toyoda, H. (2005). Comparison of several expressions of two-way ANOVA for a latent factor: Analysis of the relation between music and mood,The Japanese Journal of Psychology,74(2),97-104.(in Japanese).
(4) Ozaki, K., & Toyoda, H. (2006). Paired Comparison IRT model by 3-value judgment: estimation of item parameters prior to the administration of the test. Behaviormetrika, 33(2), 131-147.
(5) Ando, J., Nonaka, K., Ozaki, K., Sato, N., Fujisawa, K. K., Yamagata, S., Takahashi, Y., Suzuki, K., Nakajima, R., Kato, N., & Ooki, S. (2006). The Tokyo Twin Cohort Project: Overview and its initial findings on body sizes, nutrition, sleeping and social behavior in infancy. Twin Research and Human Genetics, 9, 817-826.
(6) Sasaki, S., & Ozaki, K. (2007). Development of Gender Identity Scale, The Japanese Journal of Personality,15(3),251-265.(in Japanese).
(7) Toyoda, H., Fukunaka, K., Ozaki, K., & Kawahashi, I. (2007).Graphical Modeling for constructs: An integrated solution for factor analysis and GM, The Japanese Journal of Psychology, 78(4),416-423.(in Japanese).
(8) Ozaki, K. (2008). Twin Analysis on Paired Comparison Data. Behavior Genetics, 38(2), 212-222.
(9) Shikishima, C., Ando, J., Yamagata, S., Ozaki, K., Takahashi, Y., Nonaka, K. (2008). Familial Transmission of Authoritarian Conservatism: Genetic Inheritance or Cultural Transmission?, Sociological Theory and Methods, 23(2),105-126.(in Japanese).
(10) Ozaki, K. (2008). A latent trait model that combines cumulative and unfolding models. New Trends in Psychometrics, 387-392.
(11) Ozaki, K., & Toyoda, H. (2009). Item difficulty parameter estimation using the idea of the graded response model and computerized adaptive testing. Japanese Psychological Research, 51(1), 1-12.(in Japanese).
(12) Shikishima, C., Hiraishi, K., Yamagata, S., Sugimoto, Y., Takemura, R., Ozaki, K., Okada, M., Toda, T., & Ando. J. (2009). Is g an entity? A Japanese twin study using syllogisms and intelligence tests,Intelligence, 37, 256-267.
(13) Nishiyama, T., Taniai, H., Miyachi, T., Ozaki, K., Tomita, M., & Sumi, S. (2009). Genetic correlation between autistic traits and IQ in a population-based sample of twins with autism spectrum disorders (ASDs),Journal of Human Genetics, 54, 56-61.
(14) Ozaki, K., & Ando, J. (2009). Direction of causation between shared and non-shared environmental factors. Behavior Genetics, 39(3), 321-336.
(15) Sasaki, S., Shinji, Y., Chizuru, C., Ozaki, K., & Ando, J. (2009). Gender differences in genetic and environmental etiology of gender role personality (BSRI), The Japanese Journal of Psychology, 80(4),330-338.(in Japanese).
(16) Sasaki, S., Nonaka, K., Ozaki, K., Takahashi, Y., Shikishima, C., Yamagata, S., & Ando, J. (2009). Distributions of scores on gender dysphoria and cross-gender identification in Japan - Prevalence of tendency toward Gender Identity Disorder based on twin data-,27(1).(in Japanese).
Selected Publications
(1) Toyoda, H. (ed.) (2002).Applications of Item Response Theory, Asakura-shoten, Tokyo.(Chs.4 & 8, in Japanese).
(2) Toyoda, H. (ed.) (2003).Recent Methods in Structural Equation Modeling, Asakura-shoten, Tokyo. (Chs.2, 3, 17, & 22, in Japanese)
(3) Toyoda, H. (ed.) (2003).Q and A on Structural Equation Modeling, Asakura-shoten, Tokyo. (19 questions and answers, in Japanese).
(4) Toyoda, H. (ed.) (2005.)Theory of Item Response Theory, Asakura-shoten, Tokyo. (Chs. 1.4, 2.5, 4.3, & 4.4, in Japanese).
(5) Toyoda, H. (ed.) (2006).Statistics in buying psychology, Tokyo-shoseki, Tokyo. (Paired comparison method, Association rule, Item response theory, and Principal component analysis, in japanese).
(6) Toyoda, H. (ed.)(2006).Introduction to Mathematical Statistics, Asakura-shoten, Tokyo. (Chs. 2.1, 3.3, 4.3.2, 5.7, 6.5, 7.7, 8.5.2, 9.8, 9.9, & 11.3).
(7) Toyoda, H. (ed.) (2007)Structural Equation Modeling with AMOS, Tokyo-shoseki, Tokyo. (Chs. 5, 14, & 15)
(8) Kurosu, M.,Komatsubara, A.,Hayakawa, S., Yamaoka, T., & Wakamatsu, M. (eds.)(2007).The Usability handbook, Kyoritsu-shuppan, Tokyo. (Explanations of 14 statistical terms, in japanese).
(9) Toyoda, H. (ed.) (2009)Practical Methods in Structural Equation Modeling, Asakura-shoten, Tokyo. (Ch.1, in Japanese)
Membership of Academic Societies
The Behaviormetric Society of Japan, The Japanese Association of Psychology
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