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

Table 5

ANOVA test for the comparison of the frequencies of each conversational preference during each task.

(a)

	Alone
Groups	Mean	Variance
NI	24.32	516.63
GRT	8.56	27.67
SER	32.88	317.20
TLK	20.95	256.49
CON	13.29	102.87
ANOVA test
	SS	DOF		value
Between groups	4338.20	4	4.442	0.0035
Within groups	13429.51	55
Total	17767.71	59

(b)

	With people around
Groups	Mean	Variance
NI	23.20	162.64
GRT	13.29	65.69
SER	42.34	193.02
TLK	11.49	25.40
CON	9.68	53.73
ANOVA test
	SS	DOF		value
Between groups	8800.10	4	21.979	7.053E-11
Within groups	5505.23	55
Total	14305.33	59