Samples used in research as a student, grade 6/2 2 municipal schools (measured in) area offices to study the field of 30 who helps 1 derived from simple sampling (Sample Random Sampling) by lottery method.
The samples used in the research. Grade 6/2 students at School District 2 (measured), the Office of Education Prakan District 1 of 30, which came from a simple random sample (Sample Random Sampling) by drawing lots.
The sample used in this research. Students 6 / 2 municipal 2 (Temple). Office of samutprakarn 1 30 people were equally แบบง) (Sample Random Sampling) by randomly .