C. The variable that is controlled. D. The variable that is observed. 相关知识点: 试题来源: 解析 B。原因:文章中提到“In an experiment, researchers manipulate an independent variable and observe the effect on a dependent variable.”,即在实验中,研究者操纵自变量并观察其对因变量的影响,所以...
A. The variable that is changed by the experimenter. B. The variable that changes in response to the independent variable. C. The variable that is kept the same. D. The variable that is not important. 相关知识点: 试题来源: 解析 A。在实验中,自变量是由实验者改变的变量。选项 B 是因变量...
In this case, the coffee will be the dependent variable and since each experiment will be made with 5oz. of it, the conditions are properly controlled.The hypothesis being tested is “Coffee filtered with water heated at 100°C tastes better than coffee filtered with water heated at other ...
What is the difference between the controlled variable and the controlled group? Describe an experiment that you could use to determine if a new cancer drug works to combat this cancer. Be sure to include details such as the experimental m...
In experiments, researchers manipulate independent variables to test their effects on dependent variables. In a controlled experiment, all variables other than the independent variable are controlled or held constant so they don’t influence the dependent variable....
In an experiment, if the independent variable is changed, what might also change? A. Dependent variable B. Control variable C. Constant variable 相关知识点: 试题来源: 解析 A。理解科学实验中的变量关系,自变量改变可能导致因变量改变,答案是 A。
In the experiment, if a certain variable is changed, what will happen to the results? A. Remain unchanged. B. Become more accurate. C. Be unpredictable. D. Be affected. 相关知识点: 试题来源: 解析 D。解析:在实验中如果某个变量改变,结果会受到影响。A 选项保持不变错误;B 选项变得更准确...
The independent variable is the variable that is controlled and manipulated by the experimenter. For example, in an experiment on the impact of sleep deprivation
What is a control setup and how is it different from a fair experiment? In a controlled experiment, which group experiences the test? What is the name for the measured variable in an experiment? What is the difference between control and variable in an experiment?
What Is a Controlled Experiment? | Definitions & Examples In a controlled experiment, all variables other than the independent variable are held constant. 45 Independent vs. Dependent Variables | Definition & Examples An independent variable is the cause while a dependent variable is the effect in...