Graphical interface design for children seeking information in a digital library

Table 7 Comparisons of operating speeds between graphical interface and text-based linear lists interface for children with different computer usage experiences

	Task 1						N = 48
	Graphical interface			Text-based linear lists interface			Significance
	Mean	Std. Dev.	Number	Mean	Std. Dev.	Number
Light-experience	43.57	21.923	28	66.50	13.939	6
Heavy-experience	40.38	14.550	8	59.83	10.572	6
Average	42.86	20.370	36	63.17	12.298	12	.021*
	Task 2						N = 53
Light-experience	40.19	19.379	37	58.33	7.095	3
Heavy-experience	29.50	15.611	8	80.00	7.036	5
Average	38.29	19.056	45	71.88	12.977	8	.000***