Table 3.

Usage Frequency for Windows Operations

Operation	Younger Adults (N=419)		Older Adults (N=191)		t-value
	M	SD	M	SD
Change Audio Settings	1.56	.58	.62	.65	17.24*
Change Screen Settings	1.45	.56	.68	.63	14.61*
Change Network Settings	1.32	.65	.36	.58	18.01*
Click Icon	1.90	.32	1.44	.77	8.01*
Close a Window	1.95	.23	1.49	.75	8.25*
Empty Trash	1.79	.43	1.15	.82	10.07*
Manage Multiple Windows	1.93	.28	.80	.78	19.50*
Move between Windows	1.92	.29	.82	.81	18.40*
Open a New Window	1.94	.24	1.34	.76	10.62*
Perform Operations Using Right Click on Mouse	1.91	.30	1.18	.73	13.37*
Resize a Window	1.89	.33	1.07	.79	13.75*
Scroll Horizontally	1.85	.38	1.28	.75	9.91*
Scroll Vertically	1.91	.31	1.29	.76	10.91*
Search for Files	1.81	.39	1.27	.72	9.79*
Update Clock	1.37	.66	.66	.72	11.65*
Use Drop-down Menu	1.83	.43	1.03	.82	12.68*
Use Windows Help System	1.27	.63	.90	.70	6.39*

Note. 0=never used, 1=occasionally used, 2=frequently used. Data are for participants in each age group who reported experience with computers in general.

^*p<.003 with Bonferroni corrections for multiple comparisons.