Karen de Brum
Insights in Public Health: An Island-Wide Community Food Assessment in Lana'i, Hawai'i: A High School Student-Centered Project
Hawai'i journal of medicine & public health : a journal of Asia Pacific Medicine & Public Health
visual displays often used communicate important medical information patients however even simplest graphs understood everyone develop test scale measure healthrelated graph literacy investigate level graph literacy united states germany experimental questionnaire studies setting computerized studies laboratory probabilistic national samples united states germany participants nationally representative samples people 25 69 years age germany n 495 united states n 492 laboratory pretest 60 younger 60 older people measurements psychometric properties scale ie reliability validity discriminability level graph literacy two countries new graph literacy scale predicted patients benefit visual aids promising measurement properties participants countries completed approximately 9 13 items correctly germany x 94 26 united states x 93 29 approximately one third population countries low graph literacy low numeracy skills limitations authors focused basic graph literacy used computerized scale comparability paperandpencil versions checked new graph literacy scale seems suitable tool assessing whether patients understand common graphical formats shows everyone profits standard visual displays research needed communication formats overcome barriers low numeracy graph literacy