A. To be ignored. B. To show the effect of the independent variable. C. To prove the hypothesis wrong. D. To make the E. xperiment more complicated. 相关知识点: 试题来源: 解析 B。解析:对照组的目的是显示自变量的影响。选项 A 不对,对照组不是被忽略的;选项 C 错误,对照组不是为了证明...
A. To prove the hypothesis B. To compare with the experimental group C. To make the experiment more complicated D. To increase the sample size 相关知识点: 试题来源: 解析 B。对照组在生物实验中的目的是与实验组进行比较。反馈 收藏
A. To compare with the experimental group B. To make the experiment more complicated C. To waste time D. To make the E. xperiment more interesting 相关知识点: 试题来源: 解析 A。在科学实验中,对照组的作用是与实验组进行比较。B 选项“使实验更复杂”错误;C 选项“浪费时间”错误;D 选项“使...
What is the purpose of a control group in an experiment? A. 多确律办许下到意事多确律办许下到意事To provide a comparison.多确律办许下到意事多确律办许下到意事 B. 件入件入To increase the sample size.件入件入 C. 难导干每增备我先克标难导干每增备我先克标To make the experiment ...
Research is a broad process of collecting, analyzing, and interpreting information to answer questions or solve problems, while an experiment is a controlled procedure conducted to test hypotheses and observe the effects of manipulating variables. ...
In scientific research, a control group is often used. What is the purpose of a control group? A. To make the experiment more interesting B. To compare with the experimental group C. To confuse the researchers D. To waste time 相关知识点: ...
A. The use of a large number of plant samples. B. The use of advanced sensors and data logging devices. C. The exposure of plants to only high temperatures. D. The absence of a control group. 相关知识点: 试题来源: 解析 B。解析:文章中明确提到“The innovation of this experiment lies...
Learn the definition of a controlled experiment, view examples of controlled experiments, and see what makes these experiments unique. Related to this Question What is the control group in an experiment? What is a randomized experiment? What is the disadvantage of doing a controlled experiment?
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exactlywhatthemainreasonleadingtomemorylossis.Thisisbecausetherecouldbemany reasonsleadingtoit,suchasenvironmentalfactors.Thebrainisacomplexorgan. 5 What mattersisthatyouareabletofollowtherightsetofguidelinestopreventyourselffromsuffering frommemoryloss. A.Itaffectsthememoryandlearningabilityofanindividual. B.Havi...