These studies are exploring with a population is students, elementary level 2 of kindergarten all of lamphun, lamphun, 552 people sampling a class chart 2 chart layers.
This study is a survey of the population is students' grade 2 of kindergarten Lamphun. Lamphun Province, 552 were randomly selected and stratified stratum 2.
The purpose of this research survey, has a population of the elementary school students grade 2 ของโรงเรียนอนุบาล lampoon lampoon. All 552 people. Stratified random sampling from 2 stratum.