Text Entry by Gazing and Smiling

Table 1

Mean ranks of ratings of both techniques.

	Face Interface	Mouse	Mann-whitney; 𝑈	Significance
General evaluation	10.2	14.8	44.5	n.s.
Difficulty	8.6	16.4	25.0	P < 0.01
Speed	9.4	15.6	35.0	P < 0.05
Accuracy	7.8	17.2	15.5	P < 0.01
Efficiency	9.7	15.3	38.0	n.s.
Enjoyableness	10.3	14.8	43.5	n.s.