the introduction chapter 1 origin and significance
.In the society the ancient cultural traditions that treat the lasting until become a lifestyle that everyone in the society to practice living simple do not adhere to the technology or facility
.The society currently has changed from ancient times greatly.Both help to communicate quickly and conveniently, the beautiful appearance and function for entertaining. Therefore, becomes interesting in the society many groups, especially teenagers.The fashion and love the convenience, however, mobile phones have both advantages and disadvantages. Although the mobile phone gives convenience to make communication. But if used in a wrong way, or use the wrong place at the wrong time, wrong purposes.From the foregoing, The researcher is interested to study the behavior of mobile phone of teenagers, which sample is grade 4. Cetane preparatory schoolMental, emotional, social and intellectual, the age of learning seek new things. In order to satisfy their curiosity
.The purpose of the research, 1
. To study the use of mobile phones, the students 4
2. To survey the opinions of the students. 4. On the use of mobile phones!
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