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*Yoshihiro Miyake
Graduate school of Life and Environmental Sciences, University of Tsukuba
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Masanori Akahoshi
Graduate school of Education, Kumamoto University
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Shunsuke Shimada
Graduate school of Education, Kumamoto University
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Tsutomu Takahashi
Yachiyo Engineering Co., Ltd.
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Hitoshi Tanaka
Faculty of Education, Kumamoto University