1. Jimmy D. Clark Distinguished Professor, Construction Engineering and Management, Dept. of Civil, Construction, and Environmental Engineering, North Carolina State Univ., 224 Mann Hall, Raleigh, NC 27695; formerly, Professor, Dept. of Civil, Construction, and Environmental Engineering, Iowa State Univ., Ames, IA.
2. Professor, Director, and Canada Research Chair in Project Management Systems, Centre for Project Management Excellence, Schulich School of Engineering, Univ. of Calgary, Calgary, Alberta T2N 1N4, Canada.
3. Ph.D. Student, Dept. of Civil, Construction, and Environmental Engineering, Iowa State Univ., 451 Town Engineering Building, Ames, IA 50010 (corresponding author).
4. Ph.D. Candidate, Schulich School of Engineering, Univ. of Calgary, Calgary, Alberta, Canada.
5. Program Coordinator II, Professional Education and Industry Relations, Iowa State Univ., 2273 Howe Hall, Suite 1364, Ames, IA 50011.