. Author manuscript; available in PMC: 2017 Mar 1.

Published in final edited form as: Surg Endosc. 2015 Jun 20;30(3):979–985. doi: 10.1007/s00464-015-4278-7

Table 2.

Face validity Likert scale data

Questionnaire	Ratings
Questionnaire	Mean	Std
*Hardware and Software of the VBLaST-PT© System*
1. Realism of task	3.812	1.223
2. Realism of instrument handling	3.25	1
3. Realism of the overall simulation	3.187	1.167
4. Realism of the force feedback	3.187	1.223
5. Degree of usefulness of the force feedback	3.437	1.152
6. Usefulness of the simulation in learning hand-eye coordination	3.562	0.892
7. Usefulness of the simulation in learning ambidexterity skills	3.625	1.147
8. Usefulness of the simulation in learning the fundamental laparoscopic technical skills	3.437	1.03
9. Assessment of how trustworthy the simulator is to quantify measures of performance	3.125	1.204
*Gen2-VR^© simulator immersive experience*
10. Comfort level in using the Head Mounted Display (HMD)	2.125	1.087
11. Realism of display in the HMD	2.625	0.957
12. In-room immersive experience	2.625	1.454
13. Did music hinder performance	2.0	0.894
14. Did fogging hinder performance	4.187	1.223
15. Did tool malfunction hinder performance	4.562	0.813
16. Difference in task with and without HMD	4.375	0.885