The Development of System Notification via Mobile Application using API Call for Phatthana Nikhom Hospital Personnel

1) user requirement 2) functional requirement 3) usability and 4) security. The results revealed that the performance of developed system in all areas were at excellent level with a mean of 4.08 and a standard deviation of 0.34. For user satisfaction, it was evaluated by 30 system testers in 4 areas1) 用户需求（user requirement）、2) 功能需求（functional requirement）、3) 可用性（usability）以及4) 安全性（security）。研究结果显示，所开发系统在所有评估领域的表现均处于优秀水平，均值为4.08，标准差为0.34。针对用户满意度，该指标由30名系统测试人员针对前述4个评估维度完成评估。