Risk Factors for Time and Cost Overruns of Pipeline Projects in Saudi Arabia

Table 4

Construct validity of the six groups.

	Cronbach’s α	Composite reliability	Average variance extracted (AVE)
Construction	0.786	0.855	0.542
Design	0.626	0.843	0.728
Financial	0.765	0.851	0.588
Health–safety–environment	0.674	0.802	0.504
Security–social	0.198	0.678	0.541
Supply	0.632	0.845	0.731