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 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...
In talking to some scientists, particularly younger ones, you might gather the impression that they find the "scientific method"a substitute for imaginative thought.I' ve attended research conferences where a scientist has been asked what he thinks about the advisability of continuing a certain expe...
Answer to: Give an example of a control group and an experimental group being used in the same experiment. By signing up, you'll get thousands of...
Choose one goal to start something large enough that will give you a sense of accomplishment,while adjusting well to your core values.Focus is key here.3If you perform many tasks at。a time,you might never complete your projects because they will take far too lon9. ...
书而转类记入划就书而转类记入划就In a scientific experiment, the control group is used to ___.书而转类记入划就
B,The control group in a scientific experiment serves as a standard for comparison to assess the effect of the variables being tested. Option A is the overall aim of the experiment. Option C is a step after the experiment. Option D is incorrect as the control group does not introduce new...
The crew will also unlock, install and test 15 scientific experiment cabinets, and carry out more than 40 experiments and tests in the fields of space science research and application, space medicine and space technology, Ji said. They will conduct extravehicular activities (EVAs) three to four ...
Bayesian updating was used to include knowledge from historical experiments and thereby to limit the number of animals used in a single experiment3(‘Bayesian updating’, Box1). This way, the authors could impressively show that including historical control data in a Bayesian updating approach could...
A controlled variable is one which the researcher holds constant (controls) during an experiment. It is also known as aconstant variableor simply as a "control." The control variable is not part of an experiment itself—it is neither theindependentnordependent variable—but it is important becau...