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INF3720 Assignment 2 2024 (602765)- DUE 2 August 2024
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INF3720 Assignment 2 2024 (602765)- DUE 2 August 2024 QUESTIONS AND ANSWERS
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INF3720 Assignment 22024 (602765)- DUE 2
August 2024
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,INF3720 Assignment 2 2024 (602765)- DUE 2 August 2024
Question 1: 13 marks
Question 1.1
Many software products suffer from interaction design errors that are annoying to users because they do
not follow fundamental design principles. As an interaction designer, how can you ensure that software
products are designed to provide a good user experience? (2 marks)
Question
1.2 There is a fine line between an interaction that works and one that is usable. Designing interactions
that work and are usable is achievable if design principles are appropriately applied. Discuss the design
principles that guide interaction design. (5 marks)
Question
1.3 Identify and discuss five usability goals. Also, provide one positive or one negative comment
regarding the usability of myUnisa that you have experienced for each of the goals. (6 marks)
Question 1.1
How can you ensure that software products are designed to provide a good user experience?
As an interaction designer, you can ensure that software products are designed to provide a good user
experience by following these practices:
1. User-Centered Design (UCD): Involve users throughout the design process, from initial research to
testing prototypes, ensuring the product meets their needs and preferences.
2. Adherence to Design Principles and Guidelines: Follow established interaction design principles,
such as consistency, feedback, and simplicity, and adhere to guidelines like the Nielsen Norman Group's
heuristics or Apple's Human Interface Guidelines.
Question 1.2
Discuss the design principles that guide interaction design.
Design principles are fundamental to creating interactions that are both effective and usable. Key design
principles include:
1. Consistency: Ensure uniformity in actions, terminology, and appearance across the interface. This helps
users learn and predict outcomes, improving their overall experience.
, 2. Visibility: Keep all necessary options and information for a task visible without overwhelming the user.
This principle aids in preventing confusion and helps users understand what actions are possible at any
given time.
3. Feedback: Provide clear, immediate feedback for users' actions, helping them understand the effect of
their interactions. This reduces uncertainty and allows users to adjust their behavior if necessary.
4. Affordance: Design elements should visually suggest their functionality. For example, buttons should
look clickable, helping users intuitively understand how to interact with them.
5. Error Prevention and Recovery: Minimize the potential for user errors by designing interfaces that
prevent mistakes. When errors do occur, provide easy and intuitive ways to recover, such as undo
functions or clear error messages with guidance.
Question 1.3
Identify and discuss five usability goals. Provide one positive or negative comment regarding the usability
of myUnisa for each goal.
1. Effectiveness:
o Discussion: The ability of users to complete tasks accurately and efficiently.
o Comment: Positive - myUnisa allows students to submit assignments effectively through a
straightforward upload process.
2. Efficiency:
o Discussion: The speed and ease with which users can complete their tasks.
o Comment: Negative - myUnisa's navigation can be cumbersome, leading to wasted time finding
specific course materials.
3. Satisfaction:
o Discussion: How pleasant and satisfying the interface is to use.
o Comment: Positive - The myUnisa interface is visually clean and organized, contributing to a
more satisfying user experience.
4. Learnability:
o Discussion: How easy it is for users to accomplish basic tasks the first time they encounter the
design.
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