การพัฒนาทักษะภาษาอังกฤษของนักเรียนชั้นมัธยมศึกษาปีที่ 4 ด้วยการเรียนการสอนภาษาเพื่อการสื่อสารร่วมกับเพลงภาษาอังกฤษตามสมัยนิยม

The purposes of this research were: 1) To develop learning management plan of teaching and learning language for communication with modern English songs of  Mattayomsuksa 4 students to be efficient in accordance with the criterion of 70/70; 2) To compare between pre and post learning achievement of the students through teaching and learning management of language for communication with modern English songs; 3) To develop English skills of the students through teaching language for communication with modern English songs in accordance with the criterion of 70 per cents out of the total score by research and development. The population of this research was 252 students studying in Mattayomsuksa 4 at Chaiyabhumbhakdeechumpon School. The sample size was 42 students of Mattayomsuksa 4/4 studying in the second semester of the academic year 2019. They were selected by simple random sampling. The research instruments included: 1) learning management plan to develop English skill for communication through songs; 2) pre and post learning achievement test; 3) measurement formats for English skills through teaching and learning management of language for communication with modern English songs. The data were analyzed by mean, standard deviation and t-test dependent. Results of the research were as the followings: 1) Efficiency of learning management plan in language for communication with modern English songs of Mattayomsuksa 4 students was in accordance with the criterion 70/70. 2) Post learning achievement of Mattayomsuksa 4 students through teaching and learning language for communication with modern English songs was higher than the pre learning. 3) English skills of Mattayomsuksa 4 students effectively passed the criteria of 70 percentage of the total.