@article{Chanwongsanit_2020, title={The Development of Spelling Abilities in Writing Thai Language Exercises for Prathomsuksa 6 Students Maha Sarakham University Demonstration School (Elementary)}, volume={31}, url={https://so01.tci-thaijo.org/index.php/ejChophayom/article/view/242258}, abstractNote={<p>The purposes of the research were: 1) develop the spelling abilities in writing Thai language exercises for Prathomsuksa 6 students to have the efficiency criteria 80/80 2) compare the pretest – posttest learning achievement through spelling abilities in writing Thai language exercises for Prathomsuksa 6 students, and 3) study the satisfaction of the students on spelling abilities in writing Thai language exercises for Prathomsuksa 6 students The sampling were 37 students from Prathomsuksa 6 student class 6/3 Mahasarakham University Demonstration School (Elementary) in first semester, academic year 2019. They were selected by purposive sampling. The research instruments were spelling abilities in writing Thai language exercises, the achievement of spelling abilities in writing Thai language test 30 subjective questions and the satisfaction questionnaire. The statistic for data analysis were percentage, mean and S.D. Finding of the study were as follows: 1) The efficiency of spelling abilities in writing Thai language exercises for Prathomsuksa 6 students to have the efficiency criteria 83.81 /82.88 so spelling abilities in writing Thai language exercises had efficiency more than 80/80. 2) Students had the achievement learning through spelling abilities in writing Thai language exercises for Prathomsuksa 6 students posttest were higher than pretest 32.07 percent. 3) The students had satisfied on spelling abilities in writing Thai language exercises<br>for Prathomsuksa 6 students in the highest level on average 4.65 Keywords: Development, student, Writing</p>}, number={1}, journal={Chophayom Journal}, author={Chanwongsanit, Jintana}, year={2020}, month={Jun.}, pages={77–89} }