Koken Ozaki

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Toward a Faithful Bidding of Web Advertisement

Kenichi Yoshida, Takumi Uchida, Koken Ozaki, 2014, HCI.

DINA Models for Multiple-Choice Items With Few Parameters

Koken Ozaki, 2015, Applied psychological measurement.

Item difficulty parameter estimation using the idea of the graded response model and computerized adaptive testing

Hideki Toyoda, Koken Ozaki, Koken Ozaki, 2009 .

A Paired Comparison IRT Model Using 3-Value Judgment: Estimation of Item Difficulty Parameters Prior to the Administration of the Test

Hideki Toyoda, Koken Ozaki, Koken Ozaki, 2006 .

Cognitive diagnosis models for estimation of misconceptions analyzing multiple-choice data

Noriko H. Arai, Shingo Sugawara, Koken Ozaki, 2019, Behaviormetrika.

Reading Skill Test to Diagnose Basic Language Skills in Comparison to Machines

Takuya Matsuzaki, Naoya Todo, Noriko H. Arai, 2017, CogSci.

The Measurement of the Customers^|^rsquo; Price Sensitivity Using Continuous Response Model of Item Response Theory

Takashi Akiyama, Hideki Toyoda, Koken Ozaki, 2012 .

Direction of Causation Between Shared and Non-Shared Environmental Factors

Koken Ozaki, J. Ando, Koken Ozaki, 2009, Behavior genetics.

Using Non-Normal SEM to Resolve the ACDE Model in the Classical Twin Design

Hideki Toyoda, Koken Ozaki, Saori Kubo, 2010, Behavior genetics.