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Usability Testing Plan: Bitwise

1. Methodology: The Bitwise Evaluation Model

We will utilize a hybrid evaluation framework combining ISO 9241-11 (Usability) and the Technology Acceptance Model (TAM) (Adoption).

  • ISO 9241-11: Focuses on Effectiveness (Task Success), Efficiency (Time-on-Task), and Satisfaction (SUS Score).
  • TAM: Focuses on Perceived Usefulness and Perceived Ease of Use to validate educational value.

2. Test Demographics

  • Target Audience: Students / Peers
  • Sample Size: 5-10 users (Standard for identifying 80% of usability problems)

3. Test Script (The Tasks)

Instructions to User: "Please perform the following tasks while speaking your thoughts aloud. Do not worry about making mistakes; we are testing the system, not you."

Task ID Task Name Scenario / Instruction Success Criteria
T01 Onboarding "Register a new account and log in to the dashboard." User lands on the dashboard/roadmap page.
T02 Learning "Navigate to the 'Lessons' section and start the first lesson." User successfully opens a lesson content page.
T03 Tools "Use the Calculator or Converter tool to solve a binary problem." User inputs data and receives a correct result.
T04 Visualization "Open the Karnaugh Map tool and interact with the grid." User successfully toggles a cell or generates an expression.
T05 Assessment "Take a short assessment or quiz." User submits the quiz and sees their result/feedback.

4. Post-Test Survey (The Form)

Part A: System Usability Scale (SUS)

Rate the following statements on a scale of 1 to 5 (1 = Strongly Disagree, 5 = Strongly Agree)

  1. I think that I would like to use this system frequently.
  2. I found the system unnecessarily complex.
  3. I thought the system was easy to use.
  4. I think that I would need the support of a technical person to be able to use this system.
  5. I found the various functions in this system were well integrated.
  6. I thought there was too much inconsistency in this system.
  7. I would imagine that most people would learn to use this system very quickly.
  8. I found the system very cumbersome to use.
  9. I felt very confident using the system.
  10. I needed to learn a lot of things before I could get going with this system.

Part B: Technology Acceptance Model (TAM)

Rate on a scale of 1 to 5 (1 = Strongly Disagree, 5 = Strongly Agree)

Perceived Usefulness: 11. Using Bitwise improves my understanding of computer architecture concepts. 12. The interactive tools (K-Map, Calculator) make learning more effective than traditional methods. 13. I find Bitwise useful for my studies.

Perceived Ease of Use: (Covered by SUS questions 3, 7, and 9 above)

Part C: Open-Ended Feedback

  1. What was the most difficult part of using the application?
  2. What feature did you find most helpful?
  3. Do you have any suggestions for improvement?

5. Metrics to Record

Metric Framework Component How to Measure
Task Success Rate ISO 9241-11 (Effectiveness) % of tasks completed without critical errors.
Time-on-Task ISO 9241-11 (Efficiency) Average time taken to complete specific tasks (e.g., T03, T04).
SUS Score ISO 9241-11 (Satisfaction) Standard calculation (Score * 2.5). Target: >68.
Perceived Usefulness TAM (Adoption) Average score of Part B questions.