1. clarification of the purpose of the study, along with permits administrators to collect information and guidance for both teachers. 2. the appointment of students as a group, for example, to collect information. The selection of samples (Simple random sampling) simple. Based on the selection criteria (Inclusion criteria). 3. collect information using a questionnaire that takes about 30 minutes to respond to that information will be kept absolutely confidential mitchit. The researchers studied data is just data, and will be presented by overview. Individual presentation.
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