@article{พวงสมบัติ_แสงพรหม_เสนารัตน์_เสนารัตน์_2017, title={The Development of Mathematics Exercises Entitled, “Integer System” for Grade 7 Students}, volume={11}, url={http://so03.tci-thaijo.org/index.php/reru/article/view/176322}, abstractNote={<p>The purpose of this research was to develop the mathematics exercises entitled, “Integer System”<br>for grade 7 students. This research and development process was divided into 3 steps. The first step was<br>construction of research instruments including; learning plans, mathematics exercises, an achievement test<br>and a satisfaction questionnaire. The second step was the trial of research instruments with grade 7 students<br>at Watkrokpradoo School, Buriram Primary Educational Service Area 1, in the academic year of 2014<br>and 2015. The third step was to assess an effectiveness index and efficiency indices of the mathematics<br>exercises. Moreover, this step was also to analyze student satisfaction toward the mathematics exercises.<br>The purposive sampling was utilized to recruit 9 grade 7 students for collecting the data at Watkrokpradoo<br>School, Buriram Primary Educational Service Area 1, in the academic year of 2016. Results of the study<br>revealed that the mathematics exercises were evaluated content validity at the highest level. The efficiency<br>indices of the mathematics exercises (E1/E2) were 80.00/78.52 with an effectiveness index of 0.69. An analysis<br>of student satisfaction toward the mathematics exercises showed that students were satisfied at the<br>highest level.</p>}, number={2}, journal={Journal of Roi Et Rajabhat University}, author={พวงสมบัติกนกกร and แสงพรหมนฤมล and เสนารัตน์เบญจมาภรณ์ and เสนารัตน์สมประสงค์}, year={2017}, month={Dec.}, pages={1-7} }