Table 7.

Evaluation study’s questionnaires.

Evaluation criteria	Utility	Ease of learning	Ease of use	Satisfaction
Questions	Q1. Is it useful? Q2. Does it help to visualise the lungs and Covid-19 lesions better? Q3. Is the view of the lung and the infected regions realistic? Q4. Does it everything I would expect it to do?	Q5. Is it easy to learn to use it? Q6. I learned to use it quickly? Q7. I easily remember how to use it?	Q8. Presence: The virtual environment was responsive to actions that I initiated? Q9. Engagement: The sense of moving around inside the virtual environment was compelling? Q10. Immersion: I felt stimulated by the virtual environment. Q11. Flow: I felt I could perfectly control my actions. Q12. Usability: I found it easy to use the apparatus (Oculus headset, trigger). Q13. Technology adoption: If I use again the same virtual environment, my interaction with the environment would be clear and understandable for me.	Q.14. I enjoyed being in the virtual environment? Q.15. I enjoyed using the COVIRplatform?