对各类实验设计中关联的双自变量控制的思考  

Reflections on the control of associated dual independent variables in various experimental designs

作　　者：马宁莎 MA Ningsha(Hubei Xiangyang No.4 High School,Xiangyang 441021,China)

机构地区：[1]湖北省襄阳市第四中学,襄阳441021

出　　处：《生物学教学》2024年第12期61-63,共3页Biology Teaching

基　　金：湖北省教育科学规划一般课题“普通高中生物学必修课程科学探究教学案例研究”,No.2022JB354。

摘　　要：高中生物学实验(实践活动)设计中自变量的控制较关键。复杂的实验设计有多个自变量。当多个自变量间有着一定关联时,正确控制自变量对得出实验结论尤为重要。本文以关联的双自变量为例,分析自变量间的关系及控制方法,总结出两种常见的思路。The control of independent variables is crucial in the design of high school biology experiments(practical activities).Complex experimental designs often involve multiple independent variables.When there is a certain association between multiple independent variables,correctly controlling these variables becomes particularly important for drawing valid experimental conclusions.This paper took the example of associated dual independent variables to analyze the relationships and control methods between independent variables,summarizing two common approaches.

关 键 词：实验设计 双自变量 关联控制 高中生物学 

分 类 号：G63[文化科学—教育学]