STATISTICAL LITERACY: A COMPLEX HIERARCHICAL CONSTRUCT 1

摘要: SUMMARY The aim of this study was, first, to provide evidence support the notion statistical literacy as a hierarchical construct and, second, identify levels hierarchy across construct. used archived data collected from two large-scale research projects that studied aspects understanding over 3000 school students in grades 3 9, based on 80 questionnaire items. Rasch analysis was explore an hypothesised underlying associated with literacy. supported hypothesis unidimensional and suggested six understanding: Idiosyncratic, Informal, Inconsistent, Consistent noncritical, Critical, Critical mathematical. These could be by teachers curriculum developers incorporate appropriate into existing curriculum.