Mirta Galeši?
Statistical Numeracy for Health
Max Planck Institute for Human Development|Universidad de Granada
statistical numeracy essential understanding healthrelated risks making informed medical decisions however concept investigated probabilistic national samples compared crossculturally sought 1 investigate differences level statistical numeracy 2 countries different educational medical systemsthe united states germany 2 study relationship statistical numeracy demographic characteristics age sex education 3 test whether subjective measure numeracy valid indicator objective measuresin survey probabilistic representative national samples germany united states conducted july august 2008 asked questions testing objective subjective statistical numeracygerman participants higher numeracy skills us participants average 685 se 11 645 se 13 respectively items testing objective numeracy answered correctly subjective estimates numeracy good indicator objective measures large gap numeracy skills persons lower higher educational levels particularly united statesphysicians aware many patients may understand information relevant making informed decision fortunately identify patients use nonnumerical presentation formats graphical displays analogies communicate important statistical information