Table 1 Definition of the evaluation of the criteria of the Ru Tan Ya application
Criterion | Definition of evaluation |
|---|---|
Occurrence of issues | User cannot access or utilise one of the following functions;  Exit or return to the previous menu  Type in the textbox  Use voice recognition  Incompatible voice recognition  Finger sliding of voiceover touch in the wrong position > 3 times |
Bugs | User encounters bugs or gets stuck trying to use certain functions |
Obscure visual representation | User fails to understand voiceover screen, or slides finger in the same position more than 3 times and restarts a task more than twice |
Obscure operation | One of the following issues occurs when operating the application;  User slides finger into the same position more than 3 times  User closes the screen and restarts a task, but does not complete it  User cannot use a certain function  User cannot type in the textbox |
Missing information | User is confused by the information and does not understand the content or voice display menu |
Misunderstanding | User is confused by the information and navigates to the wrong task User cannot use certain functions and is unable to finish a task. User inputs incorrect typing to the textbox and touches on the wrong task |