1. Institute of Educational Administration, International College, Krirk University, Thailand
2. Department of Civil Engineering, National Chi Nan University, Puli, Nantou, Taiwan, R.O.C
3. Research Center on Educational Measurement and Statistics, National Taichung University, Taichung, Taiwan, ROC
4. Department of Earth Science, National Cheng Kung University, Tainan, Taiwan, ROC