This article describes mathematics teachers' evaluation practices and the reasoning and beliefs that support those practices. The data were collected in two Portuguese schools representing very different results in the national exams, through semi-structured interviews with mathematics teachers and departmental curriculum coordinators as well as…

Background/Context: Technological and economic changes have put a high premium on developing students' information literacy and research skills. Previous attempts to deploy educational technology toward these ends have proved disappointing because K-12 teachers have difficulty integrating shared computers into instruction. In response, numerous…