What are the four dimensions along which the impact of poor quality can be measured?

b) Consider the following ten usability heuristics: (UH1) Visibility of system status; (UH2) Match between system and real world; (UH3) User control and freedom; (UH4) Consistency & standards; (UH5) Error prevention; (UH6) Recognition rather than recall; (UH7) Flexibility and efficiency of use; (UH8) Aesthetic and minimalist design; (UH9) Help users recognize and recover from errors; (UH10) Help and documentation. i) The application provides shortcuts for expert users. Which usability heuristic is this design satisfying? Justify your answer.

What components of these designs lack coherence, and what might be done to strengthen those components?

Indicate some possible quantitative rewrites of the following criteria. You are free to use whatever measurements you choose to express the requirements. The library's system, number one, must be intuitive.The library system should provide uniform service to all patrons.A speedy turnaround time for patron requests for book information is a top priority for the library system.

b) Consider the following ten usability heuristics: (UH1) Visibility of system status; (UH2) Match between system and real world; (UH3) User control and freedom; (UH4) Consistency & standards; (UH5) Error prevention; (UH6) Recognition rather than recall; (UH7) Flexibility and efficiency of use; (UH8) Aesthetic and minimalist design; (UH9) Help users recognize and recover from errors; (UH10) Help and documentation. i) To indicate that a new email has arrived, the system shows the image of a closed envelope. Which usability heuristic is this design satisfying? Justify your answer. ii) In a website, the navigation buttons are always located at the top of every page. Which usability heuristic is this design satisfying? Justify your answer.