The sample used in this study as the students grade 3 school days teachers Office 2501 Sakon Nakhon district elementary Sakon Nakhon District 1 semester 2, academic year 2558 11 random people which has divided the group.
The sample used in this research is the students of the three schools Sakon Teachers Day 2501 under the Office of Primary Healthcare 2nd Year 1st Semester 2558 of 11 who were randomly divided into groups.
The sample grade school 3 Sakon Nakhon วันค hole under the office of education 2501 Sakon Designated 1 semester academic year 2558 2 were 11 people. Which is derived from the random group.