... Final research report "THE REALSITUATION AND BAD EFFECSTWHEN THE THUONG TIN HIGHSCHOOL STUDENTS ABUSEMOBILE PHONES" Bui Thi Bich D06- K52 Research Report ages. ... parents and students. Therefore, this research was concerned with the overuse of mobile phones of Thuong Tin high school students. The objective of the research was to explore real situation ... said to have bad risks on people’s health. 3. METHODOLOGY6Bui Thi Bich D06- K52 Research Report 3.1. Research methods usedThere were two methods used to support my thesis including: questionnaire...