Human vs. AI: Trust and Usability in Indoor Navigation

Human vs. AI: Trust and Usability in Indoor Navigation

Human vs. AI: Trust and Usability in Indoor Navigation

This project evaluates trust and usability in AIRA, a remote sighted assistance app for blind and low-vision (BLV) users. Through interviews and task testing, we identified challenges related to camera guidance, time limits, service reliability, and user confidence. The study shows how users switch between AI and human agents based on task risk and accuracy needs.

DURATION

DURATION

6 weeks

ROLE

UX Research

TOOLS

Google Docs,
Zoom

The Problem

Indoor navigation tools focus heavily on obstacle detection, but real-world navigation also requires contextual understanding—reading signage, confirming details, and interpreting environments. While AI tools offer speed, users often revert to human assistance through services like Aira when accuracy matters.

∙ Key Question

When do BLV users trust AI, and when do they prefer humans?

Research Goals

Goal 1

Understand trust differences between AI and human agents

Goal 2

Identify usability friction in live camera guidance

Goal 3

Examine economic and accessibility barriers

Research Method

Participants
  • 3 BLV participants

  • 2 expert users of AIRA,

  • 1 novice user All used iPhone VoiceOver

Method
  • 20–25 min remote interviews (Zoom)

  • 3 task walkthroughs:

    • Object identification

    • Text recognition

    • Spatial orientation

Key Insights

Insight 1

Users switch between AI and humans based on risk.

  • Low risk tasks → AI (speed)

  • High risk tasks → Human agents (accuracy + trust)


┃“First I used Seeing AI to read it and then I wanted to be sure… so I called the agent.”


Insight 1

Users switch between AI and humans based on risk.

  • Low risk tasks → AI (speed)

  • High risk tasks → Human agents (accuracy + trust)


“First I used Seeing AI to read it and then I wanted to be sure… so I called the agent.”


Insight 1

Users switch between AI and humans based on risk.

  • Low risk tasks → AI (speed)

  • High risk tasks → Human agents (accuracy + trust)


“First I used Seeing AI to read it and then I wanted to be sure… so I called the agent.”


Insight 2

Time limits create cognitive anxiety. The 5-minute free model influenced user behavior and added stress to navigation tasks.


┃“I don’t know if it would take five minutes — you think it would take longer than five minutes?”
Insight 2

Time limits create cognitive anxiety. The 5-minute free model influenced user behavior and added stress to navigation tasks.


┃“I don’t know if it would take five minutes — you think it would take longer than five minutes?”
Insight 3

Camera framing is a major friction point. Live video requires precise alignment without feedback, making it difficult—especially for novice users.


┃“I wish that the AI could direct me more where to point my camera to see something more clearly.”
Insight 3

Camera framing is a major friction point. Live video requires precise alignment without feedback, making it difficult—especially for novice users.


┃“I wish that the AI could direct me more where to point my camera to see something more clearly.”
Insight 4

AI lacks directional guidance. Users wanted audio or haptic cues to help aim the camera and clearer communication when AI was uncertain.


┃“What I like is that they make adjustments… and then they tell you where to direct it.”
Insight 4

AI lacks directional guidance. Users wanted audio or haptic cues to help aim the camera and clearer communication when AI was uncertain.


┃“What I like is that they make adjustments… and then they tell you where to direct it.”

Design Opportunities

Opportunity 1

Asynchronous Task Briefing:

Users upload a snapshot before live connection.

Opportunity 1

Asynchronous Task Briefing:

Users upload a snapshot before live connection.

Impact

  • Saves metered time

  • Reduces explanation overhead

Impact

  • Saves metered time

  • Reduces explanation overhead

Opportunity 2

Real-Time AI Camera Guidance:

AI provides audio/haptic guidance before connecting to a live agent.

Opportunity 2

Real-Time AI Camera Guidance:

AI provides audio/haptic guidance before connecting to a live agent.

Impact

  • Reduces call time

  • Improves independence

  • Lowers cost anxiety

Impact

  • Reduces call time

  • Improves independence

  • Lowers cost anxiety

Opportunity 3

Practice Mode:

Simulated onboarding for new users.

Opportunity 3

Practice Mode:

Simulated onboarding for new users.

Impact:

  • Reduces learning curve

  • Builds confidence

Impact:

  • Reduces learning curve

  • Builds confidence

Limitations & Future Work

Limitations ​

  • Very small sample size

  • All participants were female

  • All participants have had experience with AI

Future Work

  • In person contexual inquiry

  • Include broader demographic

  • Broader range of technology use

Reflection

I learnt that trust in AI accessibility systems depends on the user’s specific needs and the situation. Pricing models also influence user behavior. AI systems should clearly communicate how confident they are in their responses, especially because blind and low-vision (BLV) users may not be able to independently verify the information. Designing for accessibility is not only about efficiency, but also about trust, confidence, and reducing stress.

© 2026 Syamantaka Nidhi Amirichetty

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