1. Assistant Professor, 201 D Human Ecology Building, Construction Management, SPDC, Michigan State Univ., East Lansing, MI 48824 (corresponding author).
2. Associate Professor, Dept. of Architectural Engineering, Penn State Univ., 104 Engineering Unit A, University Park, PA 16802.
3. Business Development Manager, Alexander Building Construction Co., 2545 North Atherton St., Suite 103, State College, PA 16803.