Jeungok Choi|Suzanne Bakken
Web-based education for low-literate parents in Neonatal Intensive Care Unit: Development of a website and heuristic evaluation and usability testing
University of Massachusetts Amherst|Columbia University
low health literacy associated poor healthrelated outcomes purposes report development website lowliterate parents neonatal intensive care unit nicu findings heuristic evaluation usability testing websiteto address low literacy nicu parents multimedia educational website using visual aids eg pictographs photographs voicerecorded text message addition simplified text developed text created 5th grade readability level heuristic evaluation conducted three usability experts using 10 heuristics endusers performance measured counting time spent completing tasks number errors well recording users perception ease use usefulness peuu sample 10 nicu parentsthree evaluators identified 82 violations across 10 heuristics violations however received scores 2 indicating minor usability problems participants time complete task varies 812 sd 309 22 sd 13 participants rated website easy use useful peuu mean 452 sd 053 based participants comments appropriate modifications madedifferent types visuals website well accepted lowliterate users agreement visuals text improved understanding educational materials text alone findings suggest using concrete realistic pictures pictographs clear captions would maximize benefit visuals one emerging theme simplicity design eg limited use colors one font type size content eg avoid lengthy text technical features eg limited use popups heuristic evaluation usability experts usability test actual users provided complementary expertise give richer assessment design low literacy website results facilitated design modification implementation solutions categorizing prioritizing usability problems