Abstract:
The purposes of this study were to develop English writing skills by using writing practice exercises of Muttayom Suksa 2 students and to compare the achievement of skill writing with pretest and posttest. Data was collected from 17 students in Muttayom Suksa 2 of Bansra School. Phayao Primary Educational Service Area Office 2, Chiangmuan District, Phayao Province, in the second semester of the Academic Year 2014 by one group pretest and posttest design. The research instruments were 1) the 6 lesson plans based on writing practice exercises and writing practice exercises 2) an achievement test. The data were statistically analyzed by percentage, mean, standard deviation and T- test Dependent Sample. The results of this study revealed that: Writing skill of Muttayom Suksa 2 students improved after using writing practice exercises. and The learning achievement of writing skill in English of Muttayom Suksa 2 students before and after the experiment was significantly different at 0.01 level
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