In this study, we designed and developed an app called Ubiquitous-Physics (U-Physics) for mobile devices like tablet PC or smart phones to help students learn the principles behind a simple pendulum in Physics. The unique characteristic of U-Physics is the use of sensors on mobile devices to collect acceleration and velocity data during pendulum…

Google is celebrating its 20th anniversary--and the internet has become an inseparable part of the lives of adults, teens, and children. In awareness of the problems and challenges posed by the new world, various software programs have been developed, among them NetSpark (henceforth: the program), which make it possible to block and/or filter…

This study explored the reliability and validity of teacher assessment under a Web-based portfolio assessment environment (or Web-based teacher portfolio assessment). Participants were 72 eleventh graders taking the "Computer Application" course. The students perform portfolio creation, inspection, self- and peer-assessment using the Web-based…