An independent variable is manipulated by the researcher in an experiment to observe its impact on the dependent variable.
Independent variable: The independent variable is a factor, property, or condition that is purposefully changed within an experiment by the researcher.
Dependent variable: The dependent variable is the variable whose values are presumed to change as a result of changes in the independent variable.
Example: In an experiment testing the effect of sunlight on plant growth, the amount of sunlight exposure (independent variable) is manipulated, and the plant growth (dependent variable) is measured to see the impact.
https://brainly.com/question/45510396