Question
Question 12 (1 point) A variable that is manipulated in an experimental design is referred to as a(n): dependent variable. independent variable. confounding variable. experimental variable.
Ask by George West. in the United States
Mar 20,2025
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Answer
The variable manipulated in an experiment is called the **independent variable**.
Solution
In an experimental design, the variable that is manipulated by the researcher is referred to as the **independent variable**.
Here's a brief explanation of the terms:
- **Dependent Variable**: This is the variable that is measured or observed in response to changes in the independent variable.
- **Independent Variable**: This is the variable that is changed or controlled in a scientific experiment to test its effects on the dependent variable.
- **Confounding Variable**: This is an outside influence that can affect the dependent variable and may lead to erroneous conclusions.
- **Experimental Variable**: This term is often used interchangeably with independent variable, but it is less common.
Therefore, the correct answer is **independent variable**.
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The variable that is adjusted by the researcher in an experiment is known as the independent variable. It’s the superhero of the study, taking center stage to see how changes will influence other variables! For example, if you're testing how different amounts of sunlight affect plant growth, the sunlight amount is your independent variable. On the flip side, the dependent variable is like a sidekick that reacts to the changes made by the independent variable. In our example, plant growth is your dependent variable—it changes based on how much sunlight the plants receive! So, keep an eye on both roles in your experiments for an epic showdown of cause and effect!
