Technology‐assisted learning systems are being developed at ever increasing rates, and
the labels applied to such systems are growing with them. For example, not only do we have …

Pedagogical agent research seeks to exploit Reeves and Nass's media equation theory,
which holds that users respond to interactive media as if they were social actors …

During conversations, speakers employ a number of verbal and nonverbal mechanisms to
establish who participates in the conversation, when, and in what capacity. Gaze cues and …

Researchers have demonstrated that dialogue‐based intelligent tutoring systems (ITS) can
be effective in assisting students in learning. However, little research has attempted to …

We evaluate the performance of a spoken dialogue system that provides substantive
dynamic responses to automatically detected user affective states. We then present a …

The exploration of how we react to the world and interact with it and each other remains one
of the greatest scientific challenges. Latest research trends in cognitive sciences argue that …

Pedagogical agents are on-screen characters that help facilitate learning in a virtual or
mixed-reality setting. The research on pedagogical agents has shifted focus since their …

A key challenge in the design of tutorial dialogue systems is identifying tutorial strategies
that can effectively balance the tradeoffs between cognitive and affective student outcomes …

Self-explaining has been repeatedly shown to result in positive learning outcomes for
students in a wide variety of disciplines. However, there are two potential accounts for why …

We describe the design and evaluation of two different dynamic student uncertainty
adaptations in wizarded versions of a spoken dialogue tutoring system. The two adaptive …