Research on automated affect detection in educational software using play log data has shown promising results. Yet most studies use classroom-based software designed for adolescents or adults. In this paper, we aim to detect affection in an online educational platform primarily aimed at home use by young children. This presents two challenges: we…

A Vygotskian approach to assessment is proposed by invoking the distinction between the development of lower and higher psychological functions. Higher psychological functions are specifically human and develop with the use of cultural tools via mediation. Accordingly, a distinction is made between tests that are based on association, which have…

This research examined children's performance on second-order false belief tasks as a function of the content area for the belief and the method of assessing understanding. A total of 70 kindergarten and first-grade children responded to four second-order stories. On two stories, the task was to judge a belief about a belief, and on two, the…