A. The variable that is measured. 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 dependen...
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...
A variable is something that can change or be different, often in experiments or equations, while an attribute is a characteristic or quality of an object or entity.
The independent variableis the variable that is controlled and manipulated by the experimenter. For example, in an experiment on the impact of sleep deprivation on test performance, sleep deprivation would be the independent variable. The dependent variable is the variable that is measured by the ex...
Independent Variables: These are the individual variables that you believe may have an effect on the dependent variable. They are sometimes called “explanatory variables,”“manipulated variables,” or “controlled variables.” If this is not already clear, it will be after a couple of examples....
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.
What is the difference between the control and controlled variables? Explain what is the independent/manipulated variable is in an experiment. Describe an experiment that you could use to determine if a new drug is effective at treating cystic fibro...
and measured in order to test a hypothesis. These variables are carefully controlled and manipulated in order to observe the effect on the outcome or dependent variable. For example, in a study examining the effect of a new drug on blood pressure. The independent variable would be…Continue ...
What does manipulated variable mean? What variables must be included in a testable hypothesis? What is test validity? What is bioenergetics testing? What is a randomized double-blind placebo controlled study? What is a positive control? What did the oil drop experiment prove?
variable that is manipulated or changed intentionally to observe its impact on the dependent variable...