Item (variable)

df

Sum of square

Mean square

F-value

p > F

Colour amount

Between groups

4

7.422

1.856

3.172

0.014***

Within groups

287

167.893

0.585

Total

291

175.315

Contrast against the background

Between groups

4

18.673

4.668

4.435

0.002***

Within groups

289

304.171

1.052

Total

293

322.844

Graphics information provision

Between groups

4

11.977

2.994

4.431

0.002***

Within groups

285

192.578

0.676

Total

289

204.555

Colour and graphics feel of consistency

Between groups

4

14.590

3.647

5.262

0.000***

Within groups

290

201.017

0.693

Total

294

215.607

Forms organization and helpfulness

Between groups

4

5.876

1.469

1.973

0.099*

Within groups

285

212.155

0.744

Total

289

218.031

Text (alone) organization and design

Between groups

4

9.103

2.276

2.296

0.059*

Within groups

285

282.552

0.991

Total

289

291.655

Icons and text organization and design

Between groups

4

9.526

2.382

3.048

0.017**

Within groups

289

225.807

0.781

Total

293

235.333

Multimedia preference

Between groups

4

10.285

2.571

2.671

0.032**

Within groups

289

278.236

0.963

Total

293

288.520

Universities web pages ranking

Between groups

4

27.086

6.771

3.584

0.007***

Within groups

275

519.625

1.890

Total

279

546.711