Optimum Value Benefit (Dependent

Variable)

(I) RISA

(Independent Variable)

(J) RISA

(Independent Variable)

Mean Difference

(I-J)

Standard

Error

Significance

Contract Compliance

(CC)

DFR

GHA

−0.1371

0.1302

0.720

DUR

0.0616

0.1407

0.971

KTC

0.2629

0.1580

0.360

GHA

DFR

0.1371

0.1302

0.720

DUR

0.1988

0.1513

0.562

KTC

0.4000

0.1674

0.101