7. the questionnaire was validated by experts and resolved to bring proposed.Thesis advisors to consider the integrity and brought to trial. (Tryout) to experiment with the students grade 1. Schools that are not binary anukun students as a group, for example, the number of 30 people.Then find the value of confidence (Reliability) in order to obtain a complete query by the value method.Function of สิทธ์ิสห is associated with a way of the cross, at naba (Cronbach)
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