Ambiente informatizado para letramento estatístico – AILE: concepções de futuros professore de Educação Básica sobre as medidas de tendência central, medidas de dispersão e variabilidade

Abstract

The present work aimed to develop a computerized environment aimed at the study of the conceptions of future mathematics teachers at a college in the city of Carapicuíba, of knowledge related to Statistical Education, more precisely to the contents of measures of central tendency, measures of dispersion and variability. It is based on the principles of the Case Study methodology and, based on the Conceptions of Knowledge and Concept Model (ck ¢), on the Theory called Technological Pedagogical Knowledge of Content (TCPK), on Statistical thinking and Statistical Literacy, used to verify in what level of literacy is in each of the proposed tasks. With the help of (TAD), we determined the Epistemological Reference Model (MER), using the ecological study of knowledge, which in our case we consider the object to be variability, and the Dominant Epistemological Model (MED) analyzing the official documents and two textbooks used in a state school in Carapicuíba. for the study of Statistics. We proposed the creation of an Alternative Epistemological Model (MEA), contained in a computerized environment, developed in two phases, the first to survey concepts and the second to verify which concepts emerge from the subjects, when using the computerized environment. Eight pairs participated in the first phase of the research, of which we analyzed two, in the second phase we analyzed only one pair. The results presented made us reflect on the need for initial training for mathematics teachers, and to work together in the development of differentiated teaching strategies for the study of Statistics