1. Department of Psychology Faculty of Human Development, Universiti Pendidikan Sultan Idris Tanjong Malim Perak Malaysia
2. Department of Educational Studies Faculty of Human Development, Universiti Pendidikan Sultan Idris Tanjong Malim Perak Malaysia
3. Department of Guidance and Counseling Faculty of Human Development, Universiti Pendidikan Sultan Idris Tanjong Malim Perak Malaysia
4. College of Natural Sciences & Mathematics University of Denver Denver Colorado USA
5. Aurora Research Institute Aurora Colorado USA
6. Research Methods and Information Science Morgridge College of Education, University of Denver Colorado USA