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...
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...
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...
Citations may include links to full-text content from PubMed Central and publisher web sites.doi:10.1016/S0001-2092(06)62696-3Suzanne C. BeyeaLeslie H. NicollAorn Journal
The variable that is different for the experimental group and control group is called the independent variable. The independent variable is...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer yo...
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。
A. The variable that is being measured. B. The variable that is manipulated by the researcher. C. A constant value. D. A research method. 相关知识点: 试题来源: 解析 A。选项 B,被研究者操纵的是自变量,不是因变量。选项 C,因变量不是常量值。选项 D,因变量不是研究方法。反馈...
In computing, a variable is a piece of memory that stores a value that can be changed. A variable can refer to anything from numbers and strings to objects, collections, and pointers. variables are essential in software programs—without them, most modern computing functions would be impossible...
ABoolean variablehas only two possible values: true or false. Examples: Is it daytime? Is the game over? In MakeCode, aposition variableis a special kind of variable that holds three numbers that describe a specific location in three-dimensional space. These numbers are called theX, Y, and...
In algebra, a symbol (usually a letter) standing in for an unknown numerical value in an equation or an algebraic expression. In simple words, a variable is a quantity that can be changed and is not fixed. Variables are essential as they form a major algebra component. ...