CSI

Explanatory Variable

Model 1

Model 2

Model 3

Constant

0.612

0.438

0.409

LS

0.763^**

0.584^**

0.427^**

SS

0.401^**

0.349^**

VA

0.204^**

R2

0.349

0.437

0.472

F

122.784

87.369

70.673