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Classified according to age and experience teaching collects data from a sample of 155 people, using questionnaires with confidence equal to 0.97 basic statistical analysis of data values per cent average value, standard and flat biang hypothesis test: t-tests and analysis. One-way variance

By age and teaching experience Data were collected from a sample of 155 people by questionnaire with a reliability of 0.97, data analysis, including descriptive statistics, percentage, mean standard deviations. And hypothesis testing, including testing and analysis. One-way ANOVA

By age and teaching experience, collecting data from samples were 155 by questionnaire, with its reliability 0.97 data analysis using basic statistics, percentage, mean, standard deviation, standard flat และการทดสอบ hypothesis by testing. One way analysis of variance.