1. contact the instructors responsible for the request for samples in research.2. random samples3. the appointment date and time, for example, the group around to do research by questionnaire.4. observation period5. when the data has been analyzed by averaging.
1. Contact the teacher in charge requested samples for research 2. Random sample 3. Appointment date, time and place to sample queries to research by 4. Duration of storage 5. When the data were analyzed by the standard deviation.
1. Contact the teacher responsible for the sample 2. Random sampling 3. Meeting date, time, place and subjects for research by the questionnaire, 4 . Data were collected 5 .When the data were then analyzed by finding the mean