1. Deceased September 2013; formerly, Professor Emeritus, M. E. Rinker, Sr., School of Construction Management, Univ. of Florida, Gainesville, FL 32611.
2. Associate Professor, Dept. of Construction Management, Colorado State Univ., Fort Collins, CO 80523 (corresponding author).
3. Former Graduate Student, M. E. Rinker, Sr., School of Construction Management, Univ. of Florida, Gainesville, FL 32611.