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Doctors often overestimate patients' health literacy

HealthDay/Washington Post, October 20, 2008

Many patients misunderstand the written questions American doctors have them answer before physical exams, new reports say. Two studies found that lower-than-expected literacy levels among patients and a failure to understand basic numerical measurements hurt the validity of the questionnaire results. A third study, however, found promise in using computer programs to "speak" the questions to patients.