Dependent and Independent Variables

Front

What is an independent variable?

Back

An independent variable is the factor that is changed or controlled in an experiment to test its effects on the dependent variable.

Front

What is a dependent variable?

Back

A dependent variable is the factor that is measured or observed in an experiment, which is affected by changes in the independent variable.

Front

In the statement 'The profit, p, and the number of candy bars sold, c', what is the independent variable?

Back

Independent variable: c (number of candy bars sold)

Front

In the statement 'Wait time, w, and number of people in line to get on a ride, p', what is the dependent variable?

Back

Dependent variable: w (wait time)

Front

In the statement 'The number of pages read, p, and the time spent reading, t', what is the dependent variable?

Back

Dependent variable: p (number of pages read)

Front

In the statement 'The number of minutes spent talking on the phone, m, and the amount of a cell phone bill, a', what is the independent variable?

Back

Independent variable: m (number of minutes spent talking on the phone)

Front

In the statement 'Surface area of walls in a room, a, and the amount of paint used, p', what is the dependent variable?

Back

Dependent variable: p (amount of paint used)

Front

What is the relationship between independent and dependent variables?

Back

The independent variable is manipulated to observe its effect on the dependent variable.

Front

Give an example of an independent variable in a study about plant growth.

Back

Independent variable: amount of sunlight each plant receives.

Front

Give an example of a dependent variable in a study about plant growth.

Back

Dependent variable: height of the plants.