Rocío García?Retamero|Mirta Galeši?
Communicating Treatment Risk Reduction to People With Low Numeracy Skills: A Cross-Cultural Comparison
Max Planck Institute for Human Development|Universidad de Granada|Max Planck Institute for Human Development|Universidad de Granada
objectives sought address denominator neglect ie focus number treated nontreated patients died without sufficiently considering overall numbers patients estimates treatment risk reduction analyzed whether icon arrays aid comprehension methods performed survey probabilistic national samples united states germany july august 2008 participants received scenarios involving equally effective treatments differing overall number treated nontreated patients conditions number received treatment equaled number others number smaller larger participants received icon arrays results participantsparticularly low numeracy skillsshowed denominator neglect treatment risk reduction perceptions icon arrays effective method eliminating denominator neglect found crosscultural differences important light countries different medical systems conclusions problems understanding numerical information often reside mind problems representation findings suggest suitable ways communicate quantitative medical data