Evaluation and Satisfaction Survey on the Interface Usability of Online Publishing Software

Table 9

Analysis of variance for the number of user errors of the typical task.

Typical task	Source of variance	SS	df	MS	𝐹	𝑃
Inputting basic information of works	Between groups	4.356	2	2.178	14.841	0.000**
	Within groups	12.767	87	0.147
	Total	17.122	89
Appending pictures	Between groups	6.067	2	3.033	21.931	0.000**
	Within groups	12.033	87	0.138
	Total	18.100	89
Copying topics	Between groups	0.022	2	0.011	1.000	0.372
	Within groups	0.967	87	0.011
	Total	0.989	89
Inserting pictures	Between groups	0.156	2	0.078	.451	0.638
	Within groups	15.000	87	0.172
	Total	15.156	89
Adjusting picture’s viewpoint angle and position	Between groups	4.422	2	2.211	9.293	0.000**
	Within groups	20.700	87	0.238
	Total	25.122	89
Changing type version	Between groups	14.467	2	7.233	45.165	0.000**
	Within groups	13.933	87	0.160
	Total	28.400	89
Inputting words	Between groups	0.289	2	0.144	1.090	0.341
	Within groups	11.533	87	0.133
	Total	11.822	89
Changing pages	Between groups	1.867	2	0.933	7.709	0.001**
	Within groups	10.533	87	0.121
	Total	12.400	89
Previewing	Between groups	0.156	2	0.078	1.482	0.233
	Within groups	4.567	87	0.052
	Total	4.722	89
Storing	Between groups	0.022	2	0.011	1.000	0.372
	Within groups	0.967	87	0.011
	Total	0.989	89

^∗∗𝑃<0.01.