Magnitude of Construction Cost and Schedule Overruns in Public Work Projects

Table 11

ANOVA results for construction cost and schedule overruns by project completion year.

Project completion year	Unit	Mean	𝐹-value	𝑃-value	𝐹-critical
Construction cost overrun
From 1991 to 2000	%	2.66	0.721	0.396	3.867
From 2001 to 2008	%	3.25
Construction schedule overrun
Less than 1 year	%	4.23	2.093	0.149	3.867
More than 1 year	%	−1.27