Paul R Jones, Jonas Santiago, Bryon M Pearsall, Dan-My Chu, Carolyn Wolff, Aaron Kearsley
A survey on perceived medication guide reading and comprehension ease among US adults
Health promotion international
communicating well patients competence central everyday clinical practice communicating statistical information especially bayesian reasoning tasks challenging bayesian reasoning tasks information communicated two different ways call directions information direction bayesian information eg proportion people tested positive among disease direction diagnostic information eg proportion people disease among tested positive purpose study analyze impact direction information presented whether visualization frequency net presented patients ability quantify positive predictive value 109 participants completed four different medical cases 224 design presented video physician communicated frequencies using different directions information bayesian information vs diagnostic information half cases direction participants given frequency net watching video participants stated positive predictive value accuracy speed response analyzed communicating bayesian information led participant performance 10 without frequency net 37 frequency net accuracy tasks communicated diagnostic information without frequency net correctly solved 72 participants accuracy rate decreased 61 participants given frequency net participants correct responses bayesian information version without visualization took longest complete tasks median 106 seconds median 135 140 145 seconds versions communicating diagnostic information rather bayesian information helps patients understand specific information better quickly patients understanding relevance test results strongly dependent way information presented