บทคัดย่อภาษาไทย

   The purposes of the study were 1) to study the use of American series in high school students’ English listening skills development via extra tutorial course online learning  2) to develop the use of American series in high school students’ English listening skills development via extra tutorial course online learning, and 3) study satisfaction in the use of American series in high school students’ English listening skills development via extra tutorial course online learning.  The participants were 10 high school students from of Lopburi Technical College and Chaibadanwittaya School who attended the online English tutorial course. The study is Pre-Experimental research by using pre and post experiment with the samples. The instruments were a questionnaire of the students’ American series interests for learning English listening skills, the manual of the use of American series in high school students’ English listening skills development via extra tutorial course online learning, the lesson plans of the use of American series in high school students’ English listening skills development via extra tutorial course online learning, the pre-test and post-test of the use of American series in high school students’ English listening skills development via extra tutorial course online learning, and a questionnaire of the students’ satisfaction of the manual of the use of American series in high school students’ English listening skills development via extra tutorial course online learning. The calculation method was the percentage, mean, and standard deviation by Microsoft Office Excel program. The result in this study showed the percentage of the students’ American series interests learning English listening skills of the students was highly interested in the teenage comedy series with male students’ percentage was 86.67% and female students was for 94.29%, the percentage of the student’s pre-test score 34% which means low level, the students post test score was better by 77% which means good level, and the students’ satisfaction of the manual of the use of American series in high school students’ English listening skills development via extra tutorial course online learning was also in very satisfied level by percentage for 86.80%, the mean for 4.34, and standard deviation for 0.65.

บทคัดย่อภาษาอังกฤษ

               The purposes of the study were 1) to study the use of American series in high school students’ English listening skills development via extra tutorial course online learning  2) to develop the use of American series in high school students’ English listening skills development via extra tutorial course online learning, and 3) study satisfaction in the use of American series in high school students’ English listening skills development via extra tutorial course online learning.  The participants were 10 high school students from of Lopburi Technical College and Chaibadanwittaya School who attended the online English tutorial course. The study is Pre-Experimental research by using pre and post experiment with the samples. The instruments were a questionnaire of the students’ American series interests for learning English listening skills, the manual of the use of American series in high school students’ English listening skills development via extra tutorial course online learning, the lesson plans of the use of American series in high school students’ English listening skills development via extra tutorial course online learning, the pre-test and post-test of the use of American series in high school students’ English listening skills development via extra tutorial course online learning, and a questionnaire of the students’ satisfaction of the manual of the use of American series in high school students’ English listening skills development via extra tutorial course online learning. The calculation method was the percentage, mean, and standard deviation by Microsoft Office Excel program. The result in this study showed the percentage of the students’ American series interests learning English listening skills of the students was highly interested in the teenage comedy series with male students’ percentage was 86.67% and female students was for 94.29%, the percentage of the student’s pre-test score 34% which means low level, the students post test score was better by 77% which means good level, and the students’ satisfaction of the manual of the use of American series in high school students’ English listening skills development via extra tutorial course online learning was also in very satisfied level by percentage for 86.80%, the mean for 4.34, and standard deviation for 0.65.

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