Independent and Dependent Variables Quiz

What is the definition of an independent variable?

• A variable that is manipulated or controlled by the researcher in an experiment.

• A variable that is determined by chance in an experiment.

• A variable that is not relevant to the experiment.

• A 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 being measured or observed 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 that remains constant in an experiment or study.

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

• independent variable

• confounding variable

• control variable

• dependent variable

Which variable is measured or observed in an experiment?

• independent variable

• control variable

• extraneous variable

• dependent variable

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

• temperature

• light intensity

• soil pH

• water availability

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

• plant growth

• amount of water

• soil type

• temperature

In a study investigating the relationship between study time and test scores, what is the independent variable?

• study time

• study

• relationship

• test scores

In a study investigating the relationship between study time and test scores, what is the dependent variable?

• test scores

• age of participants

• number of participants

• study time

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

• y-axis variable

• independent variable

• control variable

• dependent variable

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

• independent variable

• x-axis variable

• control variable

• dependent variable