Model 1-5

Model 1-6

B

Std. Error

t

P

B

Std. Error

t

P

Constant

4.326**

0.132

32.766

0

1.980**

0.179

11.042

0

Age

−0.223**

0.067

−3.326

0.001

−0.162**

0.052

−3.089

0.002

Education Level

−0.072

0.043

−1.659

0.098

0.055

0.035

1.592

0.112

Work Experience

0.147**

0.043

3.438

0.001

0.122**

0.033

3.657

0

Professional Titles

0.032

0.038

0.836

0.404

0.044

0.03

1.467

0.143

Relational Capital

0.523**

0.033

15.987

0

R²

0.045

0.421

Adjusted R²

0.035

0.413

F

4.638**

57.216**

ΔR²

0.045

0.376

ΔF

4.638**

255.571**

Dependent Variable (Y): Relationship Performance