You are managing the test team that is testing a new mobile application that provides...

Analysis of the Situation:

The GPS accuracy and functionality have been confirmed to work correctly as per depth and breadth testing.

Despite this, users experienced severe issues such as walking off a cliff or into a river. These incidents point to usability problems related to user interpretation of the GPS data and system feedback.

Testing Prioritization:

Usabilitytesting evaluates how effectively and safely users interact with the application. Here, it should focus on improving user guidance, error prevention, and alerts.

FunctionalityandPerformanceare not the problem since they passed testing.

Securityis unrelated to the specific reported issues.

References and Syllabus Alignment:

This aligns with usability-focused risk mitigation strategies in the ISTQB Advanced Test Management syllabus under "Test Process" and "Test Techniques" (TM-1.3.4)​​.