TABLE 3.

The analysis of fixation behaviors in the AOIs in Study 1.

AOI	Variable	Spontaneous lie		Truth		Z	Effect size r	P-value (2-tailed)
		M	SD	M	SD
QT	Fixation count	6.799	4.349	6.995	4.553	−0.532	−0.038	0.595
	The percentage fixation time (%)	26.356	17.416	27.477	17.007	−0.895	−0.064	0.371
NO	Fixation count	0.144	0.455	0.814	1.123	−6.820	−0.490	<0.001***
	The percentage fixation time (%)	0.409	1.285	3.313	4.936	−7.259	−0.521	<0.001***
NK	Fixation count	0.362	0.731	0.701	0.829	−4.744	−0.341	<0.001***
	The percentage fixation time (%)	1.180	2.553	2.838	3.769	−5.568	−0.400	<0.001***
PO	Fixation count	1.026	1.491	0.460	0.216	−7.273	−0.522	<0.001***
	The percentage fixation time (%)	4.883	8.698	0.842	2.299	−7.187	−0.516	<0.001***
PK	Fixation count	0.881	1.239	0.464	0.789	−4.546	−0.326	<0.001***
	The percentage fixation time (%)	3.170	4.256	1.492	2.724	−5.094	−0.366	<0.001***
EO	Fixation count	1.170	1.481	1.057	1.188	−0.619	−0.044	0.536
	The percentage fixation time (%)	5.350	8.724	4.301	5.651	−0.472	−0.034	0.637
MO	Fixation count	2.959	2.639	2.696	2.556	−1.326	−0.095	0.185
	The percentage fixation time (%)	11.436	11.479	11.590	11.537	−0.039	−0.003	0.969

AOI, area of interest; QT, the question text; NO, the extreme negative option; NK, the negative keyword; PO, the extreme positive keyword, PK, the positive keyword; EO, the extreme options; MO, the medium options.

Significance codes: ***p < 0.001.