A total of approximately three months was needed to complete the data collection and analysis for these surveys. Countless hours of effort were put into this final product, and we would like to extend our thanks to those who helped us make it possible.

We would like to thank the administration of Pinkerton Academy and Kim Lien High School for allowing us to carry out the surveys. We also would like to thank all students at Pinkerton Academy and Kim Lien High School who completed the questionnaire.

In addition, our sincerest thanks to the following individuals for their generous help in completing this monumental task:

• Dr. Tuan Tran, for providing useful reference materials on statistical analysis and for providing generous help on writing reports and articles
• Mr. Bruce Berchtold, for providing the survey and results for Pinkerton Academy
• Mr. Charles Varney, for approving the use of the survey data
• Ms. Hoai, Mr. Phong and Ms. Lan, for helping us with distributing and collecting the questionnaire at Kim Lien High School
• Dr. Dung Thi Mai Van, Ms. Tho Hai Dang and Mrs. Ha Thu Tran, for evaluating the Vietnamese version of the questionnaire and giving helpful comments
• Dr. Truong Xuan Truong and Ms. Lan Thi Truong, for their enthusiasm and help with the data collection process