“这是基础”：量子点闪烁实验教批判性思维
'It's fundamental': Quantum dot blinking experiment to teach critical thinking
摘要：
随机过程的分析可以用来产生批判性思维。量子点在发光和非发光状态之间具有可逆的随机转变。发光不稳定性被称为闪烁，并且从系综测量中不明显。为了激发批判性思维，学生设计，执行和分析半导体量子点闪烁实验室实验。实验的设计和所收集数据的随机性要求学生在整个单粒子测量和分析过程中做出判断。有些决定没有唯一正确的答案，挑战学生进行批判性思维。我们建议，学生的自我检查决策发展的科学建构主义观点。该实验是视觉冲击，跨学科的，并开发更高层次的思维。
英文摘要：
Analysis of stochastic processes can be used to engender critical thinking. Quantum dots have a reversible, stochastic transition between luminescent and non-luminescent states. The luminescence intermittency is known as blinking, and is not evident from ensemble measurements. In order to stimulate critical thinking, students design, perform, and analyze a semiconductor quantum dot blinking laboratory experiment. The design of the experiment and stochastic nature of the data collected require students to make judgements throughout the course of the single-particle measurement and analysis. Some of the decisions do not have uniquely correct answers, challenging the students to engage in critical thinking. We propose that students' self-examined decision making develops a constructivist view of science. The experiment is visually striking, interdisciplinary, and develops higher order thinking.
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