FINAL SUBMISSION STUDY GUIDE (2026)
VERIFIED A+ LATEST UPDATE
Overview of the D279 Final Submission
The WGU D279 User Interface Design course typically evaluates your ability to:
• Apply UI/UX principles
• Create user-centered interface designs
• Develop wireframes and prototypes
• Demonstrate accessibility and usability standards
• Explain design decisions
• Conduct usability evaluation and refinement
Your submission usually includes:
1. Problem Statement
2. User Persona(s)
3. Wireframes or Mockups
4. Prototype Design
5. Accessibility Considerations
6. Usability Improvements
7. Reflection / Design Justification
Step-by-Step Structure for Your Submission
A. Define the Problem
What to Include
• Purpose of the application or website
• Target audience
• User pain points
• Goals of the interface
, Example Structure
Project Title: Student Course Planner App
Problem Statement Example: Students struggle to organize assignments, exams, and
course deadlines across multiple platforms. The proposed interface provides a centralized
dashboard for task management and academic scheduling.
Tips
• Keep the problem realistic
• Focus on usability
• Mention efficiency and accessibility
B. User Persona
What Evaluators Expect
A realistic representation of your target user.
Example Persona Template
Name: Sarah Kim
Age: 22
Occupation: University Student
Goals:
• Track assignments
• Receive reminders
• Reduce missed deadlines
Frustrations:
• Too many apps
• Confusing navigation
• Poor mobile experience
Technical Skill Level: Intermediate
Tips
• Include goals and frustrations
• Make the persona believable
• Tie the design decisions back to the persona