18F

18F - Cognitive Walkthrough

Cognitive Walkthrough is a usability evaluation method. Evaluators step through tasks as a user would. It focuses on the actions users take to accomplish goals, unlike examining isolated interface elements. Evaluators ask questions at each step: Will users know what to do? Will they notice the correct action? Will they understand feedback? This exercise reveals navigation, labeling, and mental model issues. Teams identify problems before user testing, saving time. Results include prioritized usability issues and recommendations.

Duration
1 hour
Group Size
3-5
Category
18F
Difficulty
Easy
Energy
Medium

Objectives

Provide early feedback on a design's ease of use for new users. Identify reasons for usability issues.

Outcomes


  • Cognitive walkthrough findings

  • Identified first-time user issues

  • Improved learnability

Step-by-Step Instructions


  1. Define the traits of new or infrequent users.

  2. Develop representative tasks that emphasize new or infrequent use.

  3. Assign a team member to act as the user.

  4. Have the user complete the task with a printed or interactive design.

  5. Do not lead the user, but keep them focused.

  6. Note expected outcomes and how easily participants grasp the task.

  7. Analyze results to highlight user struggles.

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Facilitator Tips

Consider the user's real-world context when defining tasks. It's easy to get caught up in the details and miss the bigger picture. Also, this method has "No PRA implications" and requires standard precautions for archiving personally identifiable information.

Pre-Work

For Facilitators

  • Review participant profiles and expectations
  • Prepare all materials and supplies
  • Test technology and room setup

For Participants

  • Complete pre-session survey
  • Review background materials
  • Prepare examples or case studies

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Materials Required


  • Task scenarios

  • Interface mockups/prototypes

  • Evaluation forms

  • Recording materials

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Resources & Templates

  • Facilitator Guide (PDF)
  • Participant Workbook Template
  • Presentation Slides
  • Printable Materials

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Discussion

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