Manassanan Lyn Prajitmutita2567-03-192024-03-192558-https://dspace.spu.ac.th/handle/123456789/9647The aim of this classroom action research is to investigate the effectiveness of questioning techniuqe on students in the subject of BSC 364 Internaional Marketing. The population of this study was seven students of International Program who took the subject for semester 2, year 2015. The pre- and post-tests were administered for assessing the effectiveness of the questionining technique. The analysis techniques used were the growth score and the relative gain score. The growth score was the result of post- minuses pre-test scores, whereas the relative gain scores showed the percentage of development level where the ‘hit ceiling effect’ was taken into account. The results of this study disclose significant information regarding the improvement of teaching techique beyond expectation. Besides the remarkable improvement shown by high relative gain scores, the effectiveness of questioning techniques is expressed through the classroom climate. With questioning tachnique, students have higher attention, more focus and show greater engagement in the class. The passive classroom has turned into a lively and vividly active atmostphere. The interaction between lecturer and students and among students directly promote the learning outcome. The research finds that the use of pre-and post-tests are not only for assessing student performance, but it is a powerful tool to enhance a students’ critical thinking and learning process.enClassroom questioningSocratic questioningLearning outcomeGrowth scoreRelative gain scoreOther