Interface Prototype Assignment Part 1 (This task is worth 24 marks/50) Design and prototype a user interface for your application that demonstrates clearly the two use cases you defined. The interface should include enough user interaction to allow it to be demonstrated to a user. For each use case scenario, you need to produce the following. a) Detailed screen design(s) for every state in the STN. (Snapshots of the screens (or photos) from the interface you built for your prototype are sufficient). Indicate the mapping between the screens you include and states/actions on your STN – (ensure you have a complete set of screens for your STNs). b) For EVERY screen/state, i. Describe the interface elements chosen. ii. Justify the layout used, e.g. by an appropriate choice of design pattern, or to satisfy a specific usability principle. iii. Indicate which features you used to provide feedback. iv. Indicate how the design deals with user error. Axure and Balsamiq are the prototyping tools supported by our Teaching Associates. Interface designs produced using these tools are sufficient for this exercise. You are free to choose other toolkits or programming languages to develop the interface. However, no additional marks will be awarded for using more sophisticated tools or programming languages. (12 marks for every use case- a total of 24 marks) Interface Prototype Assignment

Interface Prototype Assignment Part 2 Heuristic Evaluation (This task is worth 15 marks/50) For every use case, do a heuristic evaluation of the individual states of the interface, identifying all usability issues. Report on the usability issues in an objective manner and present the issues in a systematic and standard format using the templates (Excel spreadsheet) provided and discussed in the lectures. Your report should include, a) the usability problems you identified with some justification of the severity score assigned to the problems and your suggestions for addressing the issues you identified in subsequent revisions of the interface, and, (8 marks) b) the good design features that should be maintained in any subsequent revision of the application. (7 marks)

APA Paper Formatting Interface Prototype Assignment

1. All text should be double-spaced.
2. Use one-inch margins on all sides.
3. All paragraphs in the body are indented.
4. Make sure that the title is centered on the page with your name and school/institution underneath.
5. Use 12-point font throughout.
6. All pages should be numbered in the upper right hand corner.

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