Orchestration Graphs: Modeling Scalable Education - Paperback

by Pierre Dillenbourg (Author)

By modeling pedagogical scenarios as directed geometrical graphs and proposing an associated modeling language, this book describes how rich learning activities, often designed for small classes, can be scaled up for use with thousands of participants. With the vertices of these graphs representing learning activities and the edges capturing the pedagogical relationship between activities, individual, team, and class-wide activities are integrated into a consistent whole. The workflow mechanisms modeled in the graphs enable the construction of scenarios that are richer than those currently implemented in MOOCs. The cognitive states of learners in two consecutive activities feed a transition matrix, which encapsulates the probability of succeeding in the second activity, based on success in the former. This transition matrix is summarized by a numerical value, which is used as the weight of the edge. This pedagogical framework is connected to stochastic models, with the goal of making learning analytics more appealing for data scientists. However, the proposed modeling language is not only useful in learning technologies, it also allows researchers in learning sciences to formally describe the structure of any lesson, from an elementary school lesson with 20 students to an online course with 20,000 participants.

Author Biography

Pierre Dillenbourg is a professor of learning technologies at the EPFL and the academic director of the EPFL Center for Digital Education. This center produces MOOCs that involve nearly one million participants. Pierre has conducted research in learning technologies since 1985. He currently leads a lab (chilli.epfl.ch) that among other things explores augmented reality, tangible interfaces, paper-based computing, and eye tracking. He started as a schoolteacher in Brussels, graduated in educational sciences at the University of Mons (Belgium) and obtained a PhD in computer science from the University of Lancaster (UK).