Evaluations of Human-Robot Interaction

Typical HCI evaluations use efficiency, effectiveness, and user satisfaction as measures when evaluating user interfaces. Effectiveness is measure of the amount of the task that a user to complete a task. Efficiency is a measure of the time that it takes a user to complete a task. Satisfaction ratings are used to assess how the user feels about using the interface. The three measures seem appropriate for evaluation of a number of HRI roles. The roles of supervisor, operator, mechanic and teammate will all involve some sort of task and can benefit from using efficiency, effectiveness, and satisfaction as metrics.

Additionally, because robots interact with the physical world and may at times be remote from the user, the user will need some awareness of the robot’s current situation. This involves both an understanding of the external environment as well as the internal status of the robot.

Additionally, some roles such as the tam mate assume that the user is performing other tasks as well as interacting with the robot. Workload measures can be used to determine the load that the HRI places on the supervisor or operator of the robot.

The bystander role, however, will not involve performing specific tasks with the robot. Rather we envision the bystander role as an understanding of what the robot can do in order to co-exist in the same environment.

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