Explored the professional development experiences of 28 practicing teachers involved in a two-year technology supported problem-based learning curriculum development effort. Discusses collaboration in teaching and the use of asynchronous computer-mediated communication and compares that discourse with the discourse produced by teachers in…

The purpose of this study was to determine the efficacy of traditionally spoken linguistic analysis approaches for understanding the nature and outcomes of online interaction. The study took place with twenty-eight elementary school teachers in ten suburban Chicago schools involved in a technology-supported, problem-based learning curriculum…

Using collaborative critical reflection as an index, this study examines the asynchronous and face-to-face discourse of 28 suburban Chicago elementary teachers developing problem based learning (PBL) curriculum. Statistical analysis of the corpus produced by the 2 mediums shows that the asynchronous online network emerges as the medium of choice…