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首页> 外文期刊>Journal of Science Education and Technology >Several CASE Lessons Can Improve Students' Control of Variables Reasoning Scheme Ability
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Several CASE Lessons Can Improve Students' Control of Variables Reasoning Scheme Ability

机译：几个案例课程可以提高学生对变量推理方案能力的控制

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摘要

This study addressed one aspect of scientific reasoning, the control of variables reasoning scheme. We explored whether a short intervention aimed at accelerating this reasoning scheme by CASE lessons would improve students' ability to apply this scheme in problems related to the biology curriculum. About 120 students from grade nine were assessed for their Piagetian cognitive level and were divided into two groups, control or intervention. A short intervention of three sessions took place in the intervention group only. Both groups were then instructed on the topic of enzymes according to the biology curriculum and undertook a final exam. The results showed that only 20% of the population acquired the Piagetian formal operations level, in line with previous findings. In addition, it was found that the short intervention had a significant effect on students' ability to use the control of variables reasoning scheme.
机译：这项研究解决了科学推理的一个方面，即变量推理方案的控制。我们探索了旨在通过CASE课程来加速该推理方案的短期干预措施，是否可以提高学生在生物学课程相关问题中应用该方案的能力。评估了大约120名来自9年级的学生的Piagetian认知水平，并将其分为两组，即对照组或干预组。仅在干预组中进行了三个会议的简短干预。然后根据生物学课程对两组学生进行酶学主题的指导，并进行期末考试。结果表明，只有20％的人口获得了Piagetian正式手术的水平，与之前的发现一致。此外，还发现短期干预对学生使用变量推理方案的控制能力有重大影响。

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