Factor

Cronbach’s Alpha if Item Deleted of factor

Risk

Cronbach’s Alpha if Item Deleted of risks

Risk of Subcontractors design (R1)

0.786

r1.1

0.743

r1.4

0.756

r1.5

0.757

r1.6

0.747

Risk of Subcontractors materials, supplies, equipment and machines (R2)

0.673

r2.1

0.755

r2.3

0.749

r2.4

0.751

Subcontractor of construction (R3)

0.861

r3.1

0.747

r3.2

0.726

r3.4

0.724

r3.5

0.739