Magnitude of Construction Cost and Schedule Overruns in Public Work Projects

Table 10

ANOVA results, construction cost and schedule overruns by project duration.

Project construction duration	Unit	Mean	𝐹-value	𝑃-value	𝐹-critical
Construction cost overrun
Less than 1 year	%	2.46	6.853	0.009**	3.867
More than 1 year	%	4.59
Construction schedule overrun
Less than 1 year	%	−4.56	37.585	<0.001**	3.867
More than 1 year	%	21.79

∗Statistically significant at alpha level 0.05.
∗∗Statistically significant at alpha level 0.01.