@article{oai:biwako-seikei.repo.nii.ac.jp:00003049,
 author = {山田, 庸 and Yamada, Hiroshi and 北村, 裕貴 and Kitamura, Yuki and 福井, 邦宗 and Fukui, Kunimune and 林, 悠太 and Hayashi , Yuta},
 issue = {13},
 journal = {研究紀要 ＝ Bulletin of Biwako Seikei Sport College},
 month = {Mar},
 note = {We investigated to construction of a ball possession skills model and verified the item difficulties and discrimination power of ball possession skills by Item Response Theory (IRT). The ball possession skills model was constructed with semi-structured interviews for 4 soccer coaches qualitatively. The model of cause and effect diagram was constructed from 36 items in 4 phases. 99 college soccer players (19.4 ± 0.8 yrs.) answered the 5-point scale questionnaire based on the above model by self-evaluation Fegarding how well they could perform these skills. The support skills were easier, and the control skills by outwitting were more difficult.},
 pages = {15--23},
 title = {サッカー熟練者におけるボールポゼッション技能の自己評価},
 year = {2016},
 yomi = {ヤマダ, ヒロシ and キタムラ, ユウキ and フクイ, クニムネ and ハヤシ, ユウタ}
}