Item (variable)

Number of observation

Mean

Standard error

Standard deviation

Variance

Color amount

292

2.90

0.05

0.78

0.60

Contrast against the background

294

3.29

0.06

1.05

1.10

Graphics information provision

290

3.27

0.05

0.84

0.71

Color and graphics feel of consistency

295

3.12

0.05

0.86

0.73

Navigation

295

3.69

0.05

0.94

0.89

Location tracking inside the web pages

294

3.54

0.06

0.97

0.94

Hyperlinks (hotspot) semantics

295

3.56

0.06

1.01

1.02

Forms organization and helpfulness

290

3.38

0.05

0.87

0.75

Animated pictures effect on web pages look

290

3.61

0.05

0.94

0.88

Text (alone) organization and design

290

3.03

0.06

1.00

1.01

Icons (alone) organization and design

293

3.27

0.06

1.00

0.99

Icons and text organization and design

294

3.62

0.05

0.90

0.80

Multimedia preference

294

3.09

0.06

0.99

0.99

Universities web pages ranking

280

2.97

0.08

1.40

1.96