Table 2.

A summary of the evaluation of VR interaction interface design.

Evaluation Content	Type	Metrics
Task performance	objective	Task completion time, accuracy rate, number of errors, pause time, number of help requests, etc.
Physiological measures	objective	Blood pressure, heart rate, body temperature, respiratory rate, EEG, EOG, ECG, GSR, EBR, etc.
Environmental perception	objective	Accuracy in judging spatial attributes and relationships, angle deviation, and path deviation
Feelings and attitudes	subjective	Positive aspects: usability, satisfaction, preference, presence, agency, ease of use, utility, interactivity, realism, enjoyment, learnability, efficiency, accuracy, ownership, and embodiment. Negative aspects: simulation sickness, task load, stress, fatigue, discomfort, visual fatigue, and frustration.