Developing learning achievement Career course Using a teaching set taught by demonstration For Mathayomsuksa 3nd Students

Abstract

           The purposes of the research ware to 1) develop a demonstration-based instructional package with efficiency meeting the 80/80 criterion; 2) compare students’ learning achievement before and after instruction using the demonstration-based instructional package; and 3) find the effectiveness index of the demonstration-based instructional package. The population consisted of students from four opportunity expansion schools located in suburban areas of Mueang District, Surin Province, during the first semester of the 2567 academic year. The sample comprised 17 Grade 9 students from Ban Tatungthaing School, selected by cluster random sampling. The research instruments included lesson plans, an instructional package, and pre-test and post-test achievement tests. The statistical methods used for data analysis were percentage, mean, standard deviation, t-test dependent, E1/E2 efficiency values, and the effectiveness index (E.I.).

           The results of this research showed that 1) the efficiency of the instructional package development was 83.76/85.10 which was established criteria; 2) a comparison of different achievement levels and test scores before learning ( =9.82/S.D.=2.43) and after learning ( =25.53/ S.D.=1.07) using instructional package; found that after studying higher than before studying significantly at the .05 level, and 3) the effectiveness index of the instructional package was 0.7784, confirming that the development of sample students in the research increased by 77.84 percent.