The Development of English Speaking Ability Using Inquiry-Based Learning of Matthayomsuksa 1 Students at Prachaksilapakarn School

บทคัดย่อ

Inquiry-based learning will assist in developing students’ English speaking ability. The purposes of this study were to investigate and compare the students’ speaking ability before and after learning English speaking using Inquiry-based learning and to examine  the students’ attitude towards teaching English speaking using Inquiry-based learning. The sample in this study was 30 students of Matthayomsuksa 1 students at Prachaksilapakarn School, Udon Thani, selected by cluster random sampling. This study was an experimental research with a one group pretest – posttest design. The research instruments used for this research were: 1) 12 lesson plans of teaching English speaking using Inquiry-based learning; 2) an English speaking ability test; and 3) a students’ attitude questionnaire toward teaching English speaking using Inquiry-based learning. The experiment lasted 12 weeks, 2 hours per week, 24 hours in total. Statistics used in this study were mean, percentage, standard deviation, one-sample t-test and t-test for dependent samples. The findings of the research were as follows: 1) The students' pretest and posttest mean scores on English speaking ability were 68.43 or 22.81 percent and 232.03 or 77.34 percent respectively. The students' posttest mean scores were higher than the criterion of 70 percent and higher than that of the pretest. 2) The students’ attitude towards teaching English speaking using Inquiry-based learning was at a good level.