Table 3.

Descriptive statistics on cognitive load and time-on-task for each group.

Test	Group	N	Mean	Std. Deviation	Min	Max
Cognitive load	Movie	40	2.35	1.56	1	6
	Slider	36	2.78	1.57	1	6
	Click	30	4.97	1.52	1	7
	Drag	37	4.03	1.83	1	7
	Total	143	3.44	1.91	1	7
Time-on-task	Movie	40	168.80	57.59	99.39	316.10
	Slider	36	231.35	54.52	123.89	317.99
	Click	30	365.36	148.42	210.34	777.93
	Drag	37	294.39	70.33	184.08	484.66
	Total	144	258.28	112.24	99.39	777.93

Notes 1: The range of Cognitive Load is 1–7.

2: The unit of Time-on-task is second.