Table 2.

Ranking of technologies according to performance domains.

Ranks	Comprehension issues	Interaction issues	Discomfort
First	HMDa: 0.00 (0.00)	HMD: 0.00 (0.00)	Mouse: 0.00 (0.00) ARb: 0.00 (0.00)
Second	HMD with LMc: 0.00 (1.00)	AR: 2.00 (7.00)	N/Ad
Third	HMD with controllers: 1.00 (5.00)	HMD with LM: 4.00 (6.00)	Tablet: 0.00 (.50)
Fourth	LM: 1.50 (2.50)	HMD with controllers: 6.00 (11.00)	HMD: 0.00 (1.00)
Fifth	AR: 2.00 (3.00)	Mouse: 8.50 (14.50)	HMD with controllers: 0.00 (4.00)
Sixth	Tablet: 4.50 (6.50)	LM: 9.50 (8.25)	LM: 1.00 (3.25)
Seventh	Mouse: 5.00 (5.25)	Tablet: 24.00 (23.00)	HMD with LM: 1.00 (5.00)

^aHMD: head-mounted display.

^bAR: augmented reality.

^cLM: leap motion.

^dN/A: not applicable. Following a standard competition ranking, there is no device ranking second.