Independent-Dependent Variable Practice

What is the definition of an independent variable?

• Any variable that is manipulated or controlled by the experimenter.

• A variable that remains constant throughout an experiment.

• Any variable that is influenced by the dependent variable.

• Any variable that is measured or observed in an experiment.

What is the definition of a dependent variable?

• A dependent variable is the variable that is not affected by other variables in an experiment or study.

• A dependent variable is the variable that remains constant in an experiment or study.

• A dependent variable is the variable that is manipulated in an experiment or study.

• A dependent variable is the variable being measured or observed in an experiment or study.

Which variable is manipulated or changed by the researcher in an experiment?

• dependent variable

• control variable

• extraneous variable

• independent variable

Which variable is measured or observed in an experiment?

• independent variable

• dependent variable

• control variable

• extraneous variable

In a study investigating the effect of temperature on plant growth, what is the independent variable?

• temperature

• amount of sunlight

• humidity

• soil pH

In a study investigating the effect of temperature on plant growth, what is the dependent variable?

• plant growth

• amount of sunlight

• soil pH

• temperature

In a study investigating the effect of studying with music on test scores, what is the independent variable?

• test scores

• effect of studying

• independent variable

• studying with music

In a study investigating the effect of studying with music on test scores, what is the dependent variable?

• test scores

• study environment

• study time

• music

Which variable is plotted on the x-axis of a graph?

• independent variable

• y-axis variable

• dependent variable

• control variable

Which variable is plotted on the y-axis of a graph?

• independent variable

• x-axis variable

• dependent variable

• control variable