Model

R

R2

ΔR2

F

ΔF

β

1. Friends’ praise

0.505

0.255

0.255

66.535***

66.535***

0.330

2. Mind purification

0.612

0.374

0.119

57.754***

36.722***

0.217

3. Logic

0.642

0.412

0.038

44.850***

12.287***

0.206

4. Inspiration

0.654

0.428

0.016

35.745***

5.368*

0.157