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INF3720 Assignment 2 solution 2024

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Course
Human Computer Interaction II (INF3720)

Institution
University Of South Africa (Unisa)

INF3720 Assignment 2 solution 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 de...

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inf3720

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INF3720 2024 Assignment 2

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, Question 1.1
To ensure that software products are designed to provide a good user experience, interaction
designers can follow these steps:
1. User-Centered Design: Focus on understanding the needs, preferences, and limitations of
the end-users throughout the design process. This includes conducting user research,
creating personas, and involving users in usability testing.
2. Adherence to Design Principles: Apply fundamental design principles such as consistency,
feedback, simplicity, and affordance. Consistency ensures that similar elements behave in
the same way, feedback provides users with information about their actions, simplicity
avoids unnecessary complexity, and affordance makes it clear how to interact with elements.

Question 1.2
Design principles that guide interaction design include:
1. Consistency: Ensuring uniformity in design and behavior across the product. Consistent
design elements, such as buttons and navigation patterns, help users predict outcomes and
reduce cognitive load.
2. Feedback: Providing immediate and clear responses to user actions. Feedback informs users
about the result of their interactions, whether an action was successful, and what to do next.
3. Simplicity: Keeping interfaces straightforward and uncluttered. Simplicity minimizes
confusion and allows users to complete tasks efficiently.
4. Affordance: Designing elements to suggest their functionality. For example, buttons should
look clickable, and sliders should indicate they can be moved.
5. Visibility: Making important information and controls easily accessible and visible. Users
should not have to search extensively to find what they need.

Question 1.3
Five usability goals are:
1. Effectiveness: The extent to which a system enables users to achieve their goals accurately
and completely.
• Positive Comment: myUnisa allows students to submit assignments effectively
without encountering major issues.
• Negative Comment: Some features, such as forum navigation, can be confusing and
hinder effective communication.
2. Efficiency: The resources expended in relation to the accuracy and completeness of goals
achieved.
• Positive Comment: The dashboard provides quick access to essential functions,
saving time.
• Negative Comment: Some pages load slowly, reducing overall efficiency.
3. Satisfaction: Users' comfort and positive attitudes towards the system.

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