Adem Karahoca|Erkan Bayraktar|Ekrem Tato?lu|Dilek Karahoca
Information system design for a hospital emergency department: A usability analysis of software prototypes
Bahçe?ehir University|Bahçe?ehir University|Bahçe?ehir University|Bahçe?ehir University
purpose study evaluate usability emergency department ed software prototypes developed tablet personal computers tablet pcs order keep electronic health records ehrs patients errorless accessible mobile technologies order serve purpose two alternative prototypes developed tablet pcs mobile emergency department software meds mobile emergency department software iconic medsi among user might choose appropriate one ed operations based usability analysis involving target users study based case study 32 potential users prototypes ed kadikoyahg istanbul turkey examined usability prototypes medical information systems means nielsens heuristic evaluation cognitive walkthrough methods relying 7point scales scenario completion success rate average scenario completion time respectively implementation medsi case study confirmed view usability evaluation results iconic guis better noniconic guis terms nielsens heuristic evaluation effectiveness user satisfaction whole sample paired ttest scores indicated significant difference p 001 mean values nielsens usability scores toward meds medsi indicating medsi evaluated favorably meds effectiveness prototypes significant differences p 001 noted meds medsi terms overall scenario completion success rate average scenario completion time similarly full sample users independent sample ttest scores indicated medsi perceived significantly favorable p 001 meds terms overall user satisfaction study provides two important contributions extant literature first addresses topic methodology serves potentially interesting biomedical informatics community drawing good background information appropriate context involves various aspects usability testing another contribution study lies examination two different prototypes design phase involving target users