The study evaluated the effects of the use of GeoGebra software in the teaching of geometry with high school students in the development of their capacities for reasoning and demonstration, mathematical communication and problem-solving. The framework of the study was the increasing presence of technologies in the school teaching of mathematics in…

Following the integration of an online homework tool -- MyEnglishLab (MEL) -- into their English courseware products, Pearson sought to explore how one of these products, Top Notch, was being implemented with MyEnglishLab and perceptions about the impact it was having on learning. Top Notch is a six-level communicative course that aims to help…

This dissertation presents the results of three field experiments implemented to evaluate the effectiveness of strategies to improve the health or education of children in developing countries. In Guatemala, community health workers at randomly selected clinics were given patient tracking lists to improve their ability to remind parents when their…