Research instrumentData collection instruments are questionnaires, observation, interview, evaluate and record creation research The tools used in the data collection in this time. The research methods as follows.1. Study of related documents and research 2. Study how to build tools 3 tool. The 4 tools offer adviser to check. In content, language, and how to measure the 5. Improvement tools with the guidance of teacher. Consultant is appropriate and consistent with the study. Then presented expert suggestions 6. Improvement tools according to experts suggest. Conducted with students not target to test the efficiency of the study. The 7 tools edit and improve completely. And used to collect data.Collection of data, this study was conducted to collect data as follows.1. Questionnaire survey about discipline problems The cleanliness of the middle school students mound College of the joint research 2. Use observation. For observation and practice about dental health of teachers is the joint research 3. Using interview interview group. The research on the behavior of the cleanliness of the group of students. The evaluation 4 assembly evaluation. Strengthen discipline in the cleanliness of the students. Evaluation of self cleaning, evaluation, performance of activities to promote the cleanliness of the body evaluation, keeping a clean condition. Environment and evaluation contest activity group. Maintain a clean from the research team and group information 5. Use a record. In the data collection. On the conditions and changes during development. After the development of the student discipline promotion from the joint research.
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