The world in which teachers are working is one, thanks to collaborative technologies, in which high levels of interactions among colleagues and the wider educational community can be facilitated. The question, then, is about how to prepare new entrants to the profession to be effectively engaged in this professional reality. In this paper, we report on our initiative to redesign a pre-service p...

BACKGROUND Despite widespread documentation of racial/ethnic disparities in care (predominantly under-use of needed care), differences in population-wide attitudes or experiences about under- or overuse (care where harms may outweigh potential benefits) of care are not well understood. We examined whether race/ethnicity is associated with perceptions or experiences of overuse or underuse. MET...

As distance education rapidly appears on the horizon, distance learning technologies are becoming more important in delivering contents and allowing collaboration between students and teachers in globally disparate environments. One of the recent innovative technologies to be explored in distance learning field is immersive environments and sense of presence that offers. The primary purpose of ...

OFDM is employed in numerous existing standards for local and metropolitan area