Jane Watson|Rosemary Callingham
STATISTICAL LITERACY: A COMPLEX HIERARCHICAL CONSTRUCT
University of Tasmania
aim study first provide evidence support notion statistical literacy hierarchical construct second identify levels hierarchy across construct study used archived data collected two largescale research projects studied aspects statistical understanding 3000 school students grades 3 9 based 80 questionnaire items rasch analysis used explore hypothesised underlying construct associated statistical literacy analysis supported hypothesis unidimensional construct suggested six levels understanding idiosyncratic informal inconsistent consistent noncritical critical critical mathematical levels could used teachers curriculum developers incorporate appropriate aspects statistical literacy existing curriculum x0d first published november 2003 statistics education research journal archives