An Evaluation of Human Conversational Preferences in Social Human-Robot Interaction

Table 4

-test for the comparison among each type of interaction when the user was alone and with few people around.

Type of interaction	scores	Alone	With people
NI	Mean	20.67	22.33
	Variance	210.33	16.33
	Dof	2
		0.852
		4.302
GRT	Mean	8	12.67
	Variance	7	16.33
		0.034
		4.302
SER	Mean	35.33	44.33
	Variance	82.33	54.33
		0.046
		4.302
TLK	Mean	21.67	11.67
	Variance	100.33	9.33
		0.131
		4.302
CON	Mean	14	8.67
	Variance	9	8.33
		0.246
		4.302