FDAs_usability_older adults

We evaluated the usability of two frequently used Food Delivery Apps with a sample of 12 older adults in Chile. Usability measures included were task success, task time, errors, and the system usability scale.本研究以智利地区12名老年人为受试样本，对两款主流外卖应用（Food Delivery Apps）的可用性展开评估。本次评估采用的可用性评价指标涵盖任务成功率、任务耗时、操作错误次数，以及系统可用性量表（System Usability Scale）。