Table 3.

Statistics of different subtitle presentation descriptions under different narration methods.

Eye movement indicator (sec/s)	Interpretation method	Presentation mode	Average	Standard deviation	N
Total fixation duration	AI interpretation	No subtitles	125.34	28.74	15
		120-degree caption	119.02	14.84	15
		Static follow caption	111.46	15.61	15
		Total	118.61	21.06	45
	Live interpretation	No subtitles	119.8	15.42	15
		120-degree caption	117.74	16.54	15
		Static follow caption	126.38	15.35	15
		Total	121.31	15.86	45
	Total	No subtitles	122.57	22.83	30
		120-degree caption	118.38	15.46	30
		Static follow caption	118.92	17	30
		Total	119.96	18.58	90
Number of whole fixations	AI interpretation	No subtitles	670.8	80.14	15
		120-degree caption	582.33	141.19	15
		Static follow caption	662.93	101.21	15
		Total	638.69	115.24	45
	Live interpretation	No subtitles	604.67	96.32	15
		120-degree caption	657.07	100.63	15
		Static follow caption	669.47	95.38	15
		Total	643.73	99.37	45
	Total	No subtitles	637.73	93.33	30
		120-degree caption	619.7	126.32	30
		Static follow caption	666.2	96.68	30
		Total	641.21	107.02	90
First fixation duration	AI interpretation	No subtitles	0.26	0.11	15
		120-degree caption	0.22	0.08	15
		Static follow caption	0.22	0.09	15
		Total	0.23	0.09	45
	Live interpretation	No subtitles	0.2	0.11	15
		120-degree caption	0.25	0.16	15
		Static follow caption	0.2	0.13	15
		Total	0.21	0.14	45
	Total	No subtitles	0.23	0.12	30
		120-degree caption	0.23	0.13	30
		Static follow caption	0.21	0.11	30
		Total	0.22	0.12	90
Number of saccades	AI interpretation	No subtitles	322.33	105.72	15
		120-degree caption	282.73	86.79	15
		Static follow caption	305.27	98.96	15
		Total	303.44	96.63	45
	Live interpretation	No subtitles	295.33	107.63	15
		120-degree caption	275.27	107.54	15
		Static follow caption	332.67	105.76	15
		Total	301.09	107.25	45
	Total	No subtitles	308.83	105.72	30
		120-degree caption	279	96.09	30
		Static follow caption	318.97	101.6	30
		Total	302.27	101.51	90