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首页> 外文期刊>Journal of research in science teaching >Laboratory Materials: Affordances or Constraints?
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Laboratory Materials: Affordances or Constraints?

机译:实验室材料:负担能力还是约束条件?

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Laboratory instruction is critical to the understanding of biology and is a central piece of biological sciences instruction. Although much investigation has focused on the content of biology laboratory exercises, we contend that understanding the extent to which the laboratory materials can aid or limit experimental investigation is of equal importance. In this study, therefore, we investigate the role of timing and availability of laboratory equipment in the context of two different laboratory exercises. We use both case study and an experimental approach to investigate how laboratory materials guide the planning, context, creativity, and timing of ideas shared among students. Our data support the notion that providing students with laboratory equipment before students plan and consider different experimental approaches can constrain students' ideas and encourage tool-focused solutions to experimental design tasks.
机译:实验室教学对于理解生物学至关重要,并且是生物科学教学的核心内容。尽管许多研究都集中在生物学实验室练习的内容上,但我们认为了解实验室材料在多大程度上可以帮助或限制实验研究具有同等重要的意义。因此,在这项研究中,我们在两种不同的实验室练习的背景下研究了定时和实验室设备可用性的作用。我们使用案例研究和实验方法来研究实验室材料如何指导学生之间共享想法的计划,背景,创造力和时机。我们的数据支持这样的观念,即在学生计划和考虑不同的实验方法之前为他们提供实验室设备会限制学生的想法,并鼓励以工具为中心的解决方案来完成实验设计任务。

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