Model 1 - 1

Model 1 - 2

B

Std. Error

t

p

B

Std. Error

t

p

Constant

3.820**

0.175

21.807

0.000

2.151**

0.223

9.642

0.000

Gender

0.139*

0.055

2.550

0.011

0.114*

0.049

2.345

0.020

Age

−0.045

0.048

−0.938

0.349

−0.020

0.043

−0.468

0.640

Education Level

−0.013

0.037

−0.348

0.728

0.088**

0.034

2.594

0.010

Job Position

0.066*

0.032

2.064

0.040

0.019

0.029

0.672

0.502

Work Experience

0.013

0.031

0.436

0.663

0.036

0.027

1.336

0.182

INC

0.393**

0.038

10.416

0.000

R2

0.029

0.239

Adjusted R2

0.017

0.228

F

F (5, 394) = 2.392, p = 0.037

F (6, 393) = 20.618, p = 0.000

ΔR2

0.029

0.210

ΔF

F (5, 394) = 2.392, p = 0.037

F (1, 393) = 108.484, p = 0.000

Dependent Variable (Y): WPT