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중학교 「 식물의 구조와 기능 」 단원에서 협동학습이 학생들의 학업성취도와 태도에 미치는 영향
정영란,강계윤 韓國生物敎育學會 2000 생물교육 Vol.28 No.3
Cooperative learning has emerged as a new classroom learning strategy in which students work together in heterogeneous group toward completion of a common goal. Research studies in a wide range of settings and across content area have shown that cooperative learning leads to higher achievement and increases positive attitudes. Although many studies have shown the effectiveness of cooperative learning in chemistry and physics, relatively few have focused on biology. The purpose of this study was to examine the effects of cooperative learning on the academic achievement and affective outcomes in middle school biology class. A total of 181 eightth-grade students at a boys' middle school in Puchun, Kyunggi-do were included in this study. Two classes were taught with a traditional approach. The other two classes were assigned to a cooperative goal structure(STAD; Student Team Achievement Division). The chapter 'Structures and Functions of Plant' was reconstructed for cooperative learning. Two groups used the same learning materials during the treatment period, which lasted 15 hours, during 4 weeks. The pretest-posttest control group design was used. Analysis of covariance(ANCOVA) was used as the data analysis procedure. No significant difference on the students' final achievement and science learning attitudes were found with respect to the two instructional approaches(p$gt;.05). There was no significant difference among low-ability, average-ability, and high-ability students when compared to traditional classroom structure and cooperative learning(p$gt;.05). There was no significant difference in affective component, behavioral intention component and cognitive component of science learning attitudes of students in the cooperative and traditional learning conditions(p$gt;.05).
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줄넘기 운동과 달리기 운동이 비만 초등학생의 신체성분 변화 및 기초체력에 미치는 영향
한상철,강계윤,김평석,이상호,하민수 한국스포츠리서치 2003 한국 스포츠 리서치 Vol.14 No.1
This study has it's purpose on choosing a reasonable exercising program and finding detailed training skills for preventing child obesity and increasing physical fitness, by analyzing the correlation the improvement of body composition with increase of physical fitness through Jumping-rope exercise and interval running training for obesity children. To study a new program, we divided into Jumping-rope group(l0) and interval running group(l0), then trained them with a new program for 12 weeks. After measuring subjects body composition and physical fitness, we tested the means of each difference, the results are as followings. First, body composition were effective for muscle(p<.001), fat(p<.01), in Jumping-rope group and moisture(p<.05), muscle(p<.001) in running group. Second, basic physical fitness, was effective for 50m run(p<.01), sit-up(p<.001), 1000m run(p <.05), bending-down(p<.001) in jumping-rope group and 50m run(p<.001), a long jump(p<.001), sit-up(p<.001), 1000m run(p<.01), bending-down(p<.001) in running group. Third, there was nothing significant for body water(p<.696), muscle(p<.516), fat(p<.606) in two groups. Fourth, we got a significant difference in 1000m run(p<.05) from two groups. As a conclusion, according to this study, jumping-rope affected positively in body composition, while running did in physical fitness.
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