28 March 2025
When considering KPIs for blind individuals, the focus should be on metrics that measure their ability to navigate independently, access information effectively, and participate actively in their environment, including factors like: successful navigation using assistive technology (like canes or guide dogs), correct interpretation of tactile information, level of engagement with accessible digital content, and overall satisfaction with accessibility features in their surroundings.
Collision rate: Tracking the number of instances where a person bumps into obstacles while navigating.
Successful wayfinding: Percentage of times a person successfully reaches their intended destination using assistive technology.
Tactile ground surface indicator (TGSIs) usage: How often individuals correctly interpret and utilize tactile markers on the ground to navigate safely.
Screen reader usage proficiency: Accuracy and speed of navigating digital content with a screen reader.
Braille literacy rate: Percentage of individuals able to read and write Braille fluently.
Accessible document compliance: Proportion of documents provided in accessible formats (e.g., screen reader compatible PDFs).
Active participation in community events: Number of times a visually impaired person attends accessible events or activities.
Feedback on accessibility improvements: Number of positive feedback reports about accessibility features in public spaces.
Self-reported satisfaction with accessibility: Surveys measuring how satisfied individuals feel with their ability to access information and participate in daily life.
Individualized approach: KPIs should be tailored to the specific needs and abilities of each individual.
Qualitative feedback: Incorporate qualitative data from interviews, surveys, and focus groups to understand individual experiences and challenges.
Accessibility standards compliance: Ensure KPIs align with relevant accessibility guidelines and regulations.
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Source: Google AI