Conceptual Changes in Learning Mechanics by Error-based Simulation. - Tomoya Horiguchi; Tsukasa Hirashima; Masahiko Okamoto (ICCE, 2005)

A Computer-Based Environment for Learning by Problem-Posing as Sentence-Integration. - Tsukasa Hirashima; Takuro Yokoyama; Masahiko Okamoto; Akira Takeuchi (ICCE, 2006)

Learning by Problem-Posing as Sentence-Integration and Experimental Use. - Tsukasa Hirashima; Takuro Yokoyama; Masahiko Okamoto; Akira Takeuchi (AIED, 2007)

An Experimental Use of Learning Environment for Problem-Posing as Sentence-Integration in Arithmetical Word Problems. - Tsukasa Hirashima; Takuro Yokoyama; Masahiko Okamoto; Akira Takeuchi (Intelligent Tutoring Systems, 2008)

Basic Consideration to Improve Self-Regulatory Skills Using Mobile Devices. - Yuki Aoki; Kazuhisa Seta; Masahiko Okamoto (ICCE, 2010)

Is the breaking point in mental number line in Japanese children five or ten? - Masahiko Okamoto; Sari Nakamura (CogSci, 2012)

Meta-cognitive Skill Training by Serializing Self-Dialogue and Discussion Processes. - Kazuhisa Seta; Ling Cui; Mitsuru Ikeda; Noriyuki Matsuda; Masahiko Okamoto (ICCE, 2012)

Meta-cognitive skill training programme for first-year bachelor students using thinking process externalisation environment. - Kazuhisa Seta; Liang Cui; Mitsuru Ikeda; Noriyuki Matsuda; Masahiko Okamoto (Int. J. Knowl. Web Intell., 2013)

Schema Formulation with Schema Priming Test in Elementary Arithmetic Class in Japan. - Kazuhisa Seta; Akira Shimazoe; Kanetaka Mori; Masahiko Okamoto (ICCE, 2014)

Relationship between four measures reflecting representations of fraction magnitude in adults: number line estimation, comparison, calculation of fractions, and immediate serial recall of fractions. - Yuki Tanida; Yu Koshima; Masahiko Okamoto (CogSci, 2017)

Exploring automatic metacognitive monitoring processes: Are errors in equations detected without intentional calculation? - Shogo Amano; Yoshihiro Nakagawa; Masahiko Okamoto (CogSci, 2018)

Effect of denominator in the fraction on number line estimation: an exploration of the list of the basic fraction in Japanese university students. - Saho Taniguchi; Yuki Tanida; Masahiko Okamoto (CogSci, 2018)

Complexity of processing to activate magnitude representation for common fractions and precision of their magnitude representations in fraction magnitude comparison. - Yuki Tanida; Masahiko Okamoto (CogSci, 2021)