THE EFFECT OF TEACHING A SECONDARY VOCATIONAL MATHEMATICS COURSE BASED ON CREATIVE PROBLEM-SOLVING PROCESS COMBINED WITH OPEN-ENDED QUESTIONS TO ENHANCE MATHEMATICAL REASONING ABILITY
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Abstract
The purposes of this research were to 1) compare mathematical reasoning ability before and after implementing secondary vocational mathematics course, 2) compare mathematical reasoning ability after implementing the secondary vocational mathematics course based on creative problem-solving process combined with open-ended questions with criterion set at 70%. The sample was 30 second year students (1classroom) of Zhoukou Polytechnic. They were derived by cluster random sampling. The research instruments were 1) the secondary vocational mathematics course based on creative problem-solving process combined with open-ended questions and its lesson plans, 2) a test paper for second year students’ mathematical reasoning ability with a reliability of 0.88. The data were analyzed by using mean, standard deviation, t-test for dependent samples, t-test for one sample. The qualitative data was analyzed using content analysis.
The findings indicated that 1) the data from the test of students’ Mathematical Reasoning Ability revealed that the mean scores of the post-test ( = 38.3, SD = 3.56) were higher than that of the pre-test (
= 25.17, SD = 1.64) at .001 level of statistical significance (t29 = 27.15, p < .01); 2) the mean scores reflecting students' Mathematical Reasoning Ability after completion of the course was (
= 38.3, SD = 3.56), which was higher than the criterion of 70% at .001 level of statistical significance (t29 = 5.07, p < .01), were found to be at a high level.
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บทความทุกเรื่องได้รับการตรวจความถูกต้องทางวิชาการโดยผู้ทรงคุณวุฒิ ทรรศนะและข้อคิดเห็นในบทความ Journal of Global of Perspectives in Humanities and Social Sciences (J-GPHSS) มิใช่เป็นทรรศนะและความคิดของผู้จัดทำจึงมิใช่ความรับผิดชอบของบัณฑิตวิทยาลัย มหาวิทยาลัยราชภัฏวไลยอลงกรณ์ ในพระบรมราชูปถัมภ์ กองบรรณาธิการไม่สงวนสิทธิ์การคัดลอก แต่ให้อ้างอิงแหล่งที่มา
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