A variable that is presumed to cause a change in another variable is called:

i. categorical variable
ii. independent variable
iii. dependent variable
iv. intervening variable

What is the dependent variable in a scientific experiment?

i. The variable that is manipulated by the researcher
ii. The variable that remains constant throughout the experiment
iii. The variable that is measured or observed as the outcome
iv. The variable that is controlled by external factors

Which type of variable is kept constant in a controlled experiment to ensure that the results are valid?

i. Independent variable
ii. Dependent variable
iii. Controlled variable
iv. Experimental variable

Which type of variable is typically plotted on the x-axis of a graph in a scientific experiment?

i. Independent variable
ii. Dependent variable
iii. Controlled variable
iv. Constants

In a scientific experiment, the dependent variable is what is measured as the outcome, the independent variable is plotted on the x-axis of a graph, and experimental studies involve manipulating variables.

Explanation:

In a scientific experiment, the dependent variable is the variable that is measured or observed as the outcome. It is the factor that is expected to change due to the manipulation of the independent variable. To ensure the validity of results, a controlled variable, also known as a constant, is kept consistent in a controlled experiment.

The independent variable is typically plotted on the x-axis of a graph in a scientific experiment to show its relationship with the dependent variable. This graphical representation helps visualize how changes in the independent variable impact the dependent variable.

Experimental studies involve manipulating the independent variable to observe its effects on the dependent variable. By controlling other variables (control variables), researchers can attribute any changes in the dependent variable solely to the independent variable manipulation.

Learn more about experimental variables here:

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