In recent years, many computerized test systems have been developed for diagnosing students' learning profiles. Nevertheless, it remains a challenging issue to find an adaptive testing algorithm to both shorten testing time and precisely diagnose the knowledge status of students. In order to find a suitable algorithm, four adaptive testing…

As teachers begin to implement mathematics curricula that capitalize fully on computing technology and that are focused on concepts and applications instead of on execution of by-hand symbolic manipulation routines, their well-established routines of thinking about mathematics and its teaching no longer apply in seamless fashion. This case study,…

This study investigated barriers to calculator use in elementary school classrooms. Teachers (n=348) and principals (n=30) in western New York State were surveyed in 1988 about their feelings and beliefs about calculator use. Analysis of the responses found that teachers and principals believed that calculators should be used in elementary…