An Analysis of Construction Failure Factors to Stakeholder Coordinating Performance in the Finishing Phase of High-Rise Building Projects

Table 4

Factors with significant different construction failure perceptions of groups under t-test.

Construction failure factors		Levene's test for equality of variances			t-test for equality of means
		Assumption	F	Sig.	t	df	Sig.; (2-Tailed)	Mean Diff.; ()	Std.; Error Diff.
Owners/consultants versus contractors/subcontractors
F28	Unreasonable pressure from consultants and owner/owner representatives	Equal variances assumed	1.730	0.191	−3.102	124	0.002	−0.454	0.146
F20	Handover of unclear/unready construction grounds to other contractors	Equal variances assumed	0.289	0.592	−2.803	124	0.006	−0.387	0.138
F19	Insufficient communication between project stakeholders	Equal variances assumed	0.130	0.719	−2.468	124	0.015	−0.330	0.134
F29	Disputes between project stakeholders	Equal variances assumed	2.138	0.146	−2.432	124	0.016	−0.321	0.132
Mean diff. = owners/consultants; Mean – contractors/subcontractors mean