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具有对照组的实验设计题型,学生解答起来困难重重。下面是笔者在教学中的一点体会。笔者认为,解答实验设计题一般应遵循以下几个步骤:理解实验目的,明确实验原理,设计恰当的实验步骤,实验结果的预测和分析。1 四看在解答实验题时,要先看一看实验目的,因为它是我们解答该题的指南,是整个实验的灵魂,整个实验都是围绕着这个灵魂进行的。因此,理解实验目的至关重要。理解实验目的一
With a control group of experimental design questions, students are having trouble solving them. The following is the author in teaching a little experience. The author believes that the answer to the experimental design should generally follow the following steps: understanding the purpose of the experiment, a clear experimental principle, the design of appropriate experimental steps, the experimental results of the prediction and analysis. 1. When looking at the experimental questions, take a look at the purpose of the experiment. Because it is the guide for us to answer the questions and is the soul of the experiment, the whole experiment is conducted around the soul. Therefore, it is important to understand the purpose of the experiment. Understand the purpose of the experiment