Collaboration-Based BIM Model Development Management System for General Contractors in Infrastructure Projects

Table 2

System evaluation result.

System usage	Standard deviation	Average rating
Ease of effective communication for CBMDM tasks	0.63	4.7
User interface	0.52	4.5
Willingness to utilize the system for CBMDM tasks	0.53	4.3
Ease of use	0.63	4.5
System capability
Reduces CBMDM rework	0.52	4.6
Ease of finding information about CBMDM tasks	0.47	4.3
Improves problems tracking for CBMDM tasks	0.52	4.6
Enhances monitoring of CBMDM tasks	0.43	4.5
Enhances workflow management of CBMDM tasks	0.52	4.5
Reduces sharing problems of CBMDM tasks	0.43	4.6
Illustrates and understands CBMDM tasks clearly	0.41	4.1
Addresses complete records of CBMDM tasks	0.42	4.5

Note: The mean score is calculated from respondents’ feedback fivescale questionnaire: 1(Strongly disagree), 2, 3, 4, and 5 (strongly agree).