Dynamically Sequencing an Animated Pedagogical Agent. - Brian A. Stone; James C. Lester (AAAI/IAAI, Vol. 1, 1996)

Focusing Problem Solving in Design-Centered Learning Environments. - James C. Lester; Brian A. Stone; Michael A. O'Leary; Robert B. Stevenson (Intelligent Tutoring Systems, 1996)

Increasing Believability in Animated Pedagogical Agents. - James C. Lester; Brian A. Stone (Agents, 1997)

The Persona Effect: Affective Impact of Animated Pedagogical Agents. - James C. Lester; Sharolyn A. Converse; Susan H. Kahler; S. Todd Barlow; Brian A. Stone; Ravinder S. Bhogal (CHI, 1997)

The Pedagogical Design Studio: Exploiting Artifact-Based Task Models for Constructivist Learning. - James C. Lester; Patrick J. Fitzgerald; Brian A. Stone (IUI, 1997)

Lifelike Pedagogical Agents for Mixed-initiative Problem Solving in Constructivist Learning Environments. - James C. Lester; Brian A. Stone; Gary D. Stelling (User Model. User Adapt. Interact., 1999)