1. Graduate Research Assistant, OHL School of Construction, Florida International Univ., 10555 West Flagler St., EC 2900, Miami, FL 33174.
2. Assistant Professor, Dept. of Global Construction Management, Univ. of Seoul, Liberal Arts Building 224, 163 Siripdaero, Dongdaemun-gu, Seoul 130-743, Korea (corresponding author).
3. Professor, OHL School of Construction, Florida International Univ., 10555 West Flagler St., EC 2914, Miami, FL 33174.