B. The variable that is manipulated. 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...
In a scientific experiment, a variable is any of the conditions that could change, or vary, during the course of an experiment. When you set up an experiment, you need to keep all of the variables identical, except for the one being tested, called the independent variable. This means ...
In general, if you are studying the effect of a certain factor or the outcome of an experiment, the effect or outcome is the dependent variable. If you measure the effect of temperature on flower color, temperature is the independent variable—the one you manipulate—while the color of the ...
Was there an independent variable in the Monster Study? What kind of variable is used in a cross-sectional study? What was the dependent variable in the Bobo doll experiment? Write the operational definition, independent variable, and dependent variable for the question, what is the effect of ...
The checked variable will be the one that will not be modified throughout the experiment or analysis. With the controlled variables, we will be able to introduce greater precision in the relationship between the independent and dependent variables. In short, it is a form that is not very well...
Variablesare an important part of science projects and experiments. What is a variable? Basically, a variable is any factor that can be controlled, changed, or measured in an experiment.Scientific experimentshave several types of variables. The independent anddependent variablesare the ones usually ...
What is a dependent variable? The dependent variable is the variable measured in an experiment. It depends on the independent variable! What is a control variable? Control variables are variables that must be kept the same in an experiment. ...
Dependent variable refers to the variable being tested and measured in an experiment or study, which is expected to change as a result of changes in the independent 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 statistics, a variable is a characteristic of interest that you measure, record, and analyze.Statisticiansunderstand them by defining the type of information they record and their role in an experiment or study. In this post, learn about the different kinds of variables in statistics and their...