A study of manual research, this time as a unified research experimental studies. Focusing on student surveys from the school year 5 Plan to learn English-mathematics semester 1 academic year which use 2557 (2014)A tool for collecting data from questionnaires is in each room from 1-10. A number of studies have brought 10 people and ideas. Theory and related research studies as the analysis framework.Contains Study on the behavior to use headphones in the teens, and the disease, which is caused by other than headphones.Study results from a questionnaire survey.1. Yes, the earphones are many. Make a note that students have a Yes in the headphones.2. the quantity of the people not the headphones because they have a lot of teen group buy price and purchase options.3. impact on the headset will not affect when we entered a long period of time and no cleaning can affect the ears.
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