Steps for Effective Usability Testing

1. Gather User Feedback

Focus Groups

Conduct focus groups to gather user feedback on the initial prototype:

• Discuss accessibility, adoption, sustainability, and strengths/weaknesses of key features
• Gather input on webpage presentation and functional elements
• Refine the prototype based on focus group findings

(Donald et al., 2021) (Donald et al., 2021)

2. Perform Heuristic Evaluation

Heuristic Testing

• Conduct heuristic testing based on Nielsen's 10 usability heuristics
• Identify system and design issues with the prototype
• Categorize issues as 'must', 'should', or 'could' be addressed
• Make necessary modifications to the prototype before usability testing

(Donald et al., 2021) (Donald et al., 2021)

3. Conduct Usability Testing

Participant Recruitment

• Use purposive sampling to recruit participants with no previous exposure to the prototype
• Aim to have 3-5 participants, as this can identify 85% of usability issues
• Ensure participants represent the target user population in terms of demographics and technical expertise

(Donald et al., 2021) (Donald et al., 2021)

Usability Testing Sessions

• Conduct in-person 60-minute interviews with participants
• Use a think-aloud protocol to understand participants' thought processes and behaviors
• Observe participants completing pre-defined tasks and scenarios
• Gather feedback on the prototype's design, content, and navigation
• Assess perceived usability using the System Usability Scale (SUS)

(Donald et al., 2021) (Donald et al., 2021)

Data Analysis and Prototype Refinement

• Analyze usability testing transcripts using directed content analysis
• Identify areas for improvement and refine the prototype accordingly
• Incorporate user feedback to enhance the design, functionality, and overall user experience

(Donald et al., 2021) (Donald et al., 2021)