@article{Yugo HAYASHI20162015CBP0005, title={Lexical Network Analysis on an Online Explanation Task: Effects of Affect and Embodiment of a Pedagogical Agent}, author={Yugo HAYASHI}, journal={IEICE Transactions on Information and Systems}, volume={E99.D}, number={6}, pages={1455-1461}, year={2016}, doi={10.1587/transinf.2015CBP0005} }