The principal contradiction of online distance education is the disparity that exists between economies of scale and the new interactive capabilities of digital technologies. This is particularly felt where mega-universities in developing countries seek to make better use of these affordances while at the same time protecting their economies of…

In this article, we present a case study of two teachers' experiences implementing a junior-high school physical education curriculum. Using interviews, observations, and document analysis, we organized our data around Brunelle et al.'s (1988) conceptual framework. Our results noted several constraining factors to implementation: lack of time to…