Thomas A. Edison: Sketch of Activities, 1874-1881: Norman R. Speiden ...................................... 137 Thomas A. Edison and the Founding of Science: 1880 ............ 142 Thomas A. Edison and the Naval Research Laboratory: A. Hoyt Taylor ......................................... 148 The Nature and Development of Operations Research: Charles Kittel. 150 Patent Policies in Educational In...

Schools as social institutions are resistant to change, and the introduction of ICT (information and communication technologies) into classrooms has not yet created fundamental changes in learning and teaching in public schooling in general. Findings from international comparative studies have shown that educational innovations leveraging the potentials of technology have taken place in schools...

Youth empowerment is the main goal of sex education according to Dutch Government and NGO policies. Academics from different disciplines have argued, however, that the ideal of empowerment through education is problematic, because of the unequal power relations implicated in educational practices. Building on one-anda-half years of online and offline ethnographic fieldwork among Dutch youth, th...

Youth empowerment is the main goal of sex education according to Dutch Government and NGO policies. Academics from different disciplines have argued, however, that the ideal of empowerment through education is problematic, because of the unequal power relations implicated in educational practices. Building on one-anda-half years of online and offline ethnographic fieldwork among Dutch youth, th...

Background / Context: Cluster randomized trials (CRTs), or studies in which intact groups of individuals are randomly assigned to a condition, are becoming more common in the evaluation of educational programs, policies, and practices. For example, a search on the website for the Institute of Education Sciences (IES) suggests that the National Center for Educational Research (NCER) funded aroun...

Youth empowerment is the main goal of sex education according to Dutch Government and NGO policies. Academics from different disciplines have argued, however, that the ideal of empowerment through education is problematic, because of the unequal power relations implicated in educational practices. Building on one-anda-half years of online and offline ethnographic fieldwork among Dutch youth, th...

In this paper, we show how existing adaptive educational hypermedia systems can be enhanced by policies. In traditional systems, the adaptation is based on predefined user and domain models and fairly restricted adaptation rules. Policies allow for sophisticated and flexible adaptation rules, provided by multiple stakeholders. We present the benefits and feasibility of the approach with AHA! as...