Interaction Modes for Emergency Mobile Apps

Table 6

Mean estimates of SMEQ for all six experimental conditions separated according to previous experience with emergency situations.

Previous experience with an emergency (factor 3)	Interaction mode (factor 1)	Level of cognitive load (factor 2)	Mean (M)	Standard error (SE)	95% confidence interval
					Lower bound	Upper bound
No (n = 11)	One-click interaction	No/low load	18.36	4.51	8.32	28.41
		High load	32.64	4.86	21.80	43.47
	Guided interaction	No/low load	52.64	9.82	30.75	74.52
		High load	103.27	13.89	72.33	134.21
	Chat interaction	No/low load	85.91	14.21	54.26	117.56
		High load	170.55	8.51	72.33	134.21
Yes (n = 15)	One-click interaction	No/low load	20.33	4.53	10.63	30.04
		High load	52.73	10.23	30.80	74.67
	Guided interaction	No/low load	81.27	12.85	53.71	108.82
		High load	136.07	12.63	108.97	163.16
	Chat interaction	No/low load	120.00	15.16	87.49	152.51
		High load	163.13	11.62	138.22	188.05