I jumped straight into listing features and had to pull myself back.
Start by clarifying the goal and constraints of the ATM design, then focus on the needs of blind users through empathy and accessibility principles. Structure your answer by outlining key design considerations, proposing specific features, and discussing trade-offs and success metrics.
Pro tip: Emphasize that accessibility features often benefit all users, and mention the importance of testing with actual blind users to validate assumptions.
Ask clarifying questions to understand the scope, such as the ATM's location, typical transactions, and whether it's a new design or an improvement. Define the primary goal: enabling blind users to independently and securely perform common ATM transactions.
Identify the key challenges blind users face with current ATMs, such as navigating touchscreens, reading screens, and locating card slots. Consider their needs for audio guidance, tactile feedback, and privacy.
Propose specific design features that address the identified needs, such as audio instructions via headphones, tactile buttons with Braille, voice recognition, and haptic feedback. Prioritize features based on impact and feasibility.
Discuss potential challenges like cost, security, and usability for sighted users. Consider how to balance accessibility with other requirements, such as maintaining a familiar interface for all users.
Outline how you would measure success, such as task completion rate, time to complete transactions, user satisfaction, and error rates among blind users. Mention the importance of iterative testing with real users.
AI-generated suggestions, not part of the candidate's original notes. May be inaccurate — verify before relying on them.