Research Article

Assessing the Causes of Time Overrun in Building and Road Construction Projects: The Case of Addis Ababa City, Ethiopia

Table 5

Reliability analysis

SNGroup of factorsCronbach alphaReliability rate

1Consultant related0.876Excellent
2Client related0.805Excellent
3Labor related0.659Satisfactory
4Contractor related0.814Excellent
5Financial related0.618Satisfactory
6External environmental related0.629Satisfactory
7Material related0.708Good
8Equipment related0.606Satisfactory
9Gov’t authorities related0.724Good
10Social and economic related0.712Good
Cumulative of all groups0.741Good