Explanatory and Response Variables

Front

What is an explanatory variable?

Back

An explanatory variable is a variable that is manipulated or changed in an experiment to observe its effect on a response variable.

Front

What is a response variable?

Back

A response variable is the outcome or effect that is measured in an experiment, which is influenced by the explanatory variable.

Front

In a study examining the effect of study time on test scores, which variable is the explanatory variable?

Back

The amount of time spent studying.

Front

In a study examining the effect of sleep on test scores, which variable is the response variable?

Back

The test scores.

Front

On which axis is the explanatory variable typically plotted in a graph?

Back

The x-axis.

Front

On which axis is the response variable typically plotted in a graph?

Back

The y-axis.

Front

If the explanatory variable is 'Hours of Sleep', what could be a possible response variable?

Back

Test Score.

Front

What is the relationship between explanatory and response variables?

Back

The explanatory variable is believed to influence or predict changes in the response variable.

Front

Can there be multiple explanatory variables in a study?

Back

Yes, a study can have multiple explanatory variables that may affect the response variable.

Front

What is an example of a real-world explanatory variable?

Back

The amount of rainfall can be an explanatory variable affecting crop yield.