Phitsanuwat SuraritthipongPiyanan AkkharakotChakkaphan Chanchareon2564-03-252021-03-252564-01-16Phitsanuwat Suraritthipong. Piyanan Akkharakot. Chakkaphan Chanchareon. (2021). The Development of Diphthongs Pronunciation Ability of Pratomsuksa 1 Students with Learning Disabilities Khu Mueang Wittaya School by Using Language Skills Training. Proceedings of The 7th Regional Conference on Graduate Research 16 January 2021, Sripatum University, Khon Kaen Campus, Khon Kaen, Thailand. (p.577-582).978-974-655-468-8https://dspace.spu.ac.th/handle/123456789/7365The purposes of this research ware to develop and compare diphthongs pronunciation ability of Pratomsuksa 1 students with learning disabilities at Khu Mueang Wittaya School before and after the implementation by using the language skills training, 1 unit, 15 plans, 1 hour each, a total of 15 hours to develop the diphthongs pronunciation ability. The research results can be summarized as follows: Data analysis showed that the development of the ability to read diphthongs aloud of students with learning disabilities at Khu Mueang Wittaya School by using language skills training Students have the ability to read diphthongs as follows: 1. Aiyada Printhong, Mathayom 1, before studying, had a score value of 4.8 points, equal to 48% in the level of improvement. after studying, the score value was between 7.6 points or 76% in Fair skill level 2. Phongsakorn Loaoma. Mathayom 1 before studying, the score value was between 4.8 points, equal to 48% in the ability to improvement. After studying, the score value was between 8 points or 80% in Fair skill level.Diphthongs Pronunciation AbilityLearning DisabilitiesUsing Language Skills TrainingArticle