When the Learning Sciences emerged in 1991, there was an ethos of studying learning in humans and machines in conjunction with one another. This ethos reflected three decades of prior work on the interdisciplinary study of learning; however, in the three decades since the emergence of the Learning Sciences, it seems to have largely disappeared. I…

This digest highlights several psychological dimensions of user-computer interfaces. First, the psychological theory behind interface design and the field of human-computer interaction (HCI) are discussed. Two psychological models, the information processing model of cognition and the mental model--both of which contribute to interface design--are…

The work of a three-year series of experimental studies of human cognition is summarized in this report. Proglem solving and learning in man-machine interaction was investigated, as well as relevant variables and processes. The work included four separate projects: (1) computer-aided problem solving, (2) computer-aided instruction techniques, (3)…