Dependent and Independent Variables

Front

What is a dependent variable?

Back

A dependent variable is the outcome or effect that is measured in an experiment. It changes in response to the independent variable.

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

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

Back

Dependent variable: p (the number of pages read)

Front

In the statement 'Dollars earned, d, and number of hours spent babysitting, h', what is the independent variable?

Back

Independent variable: h (number of hours spent babysitting)

Front

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

Back

Independent variable: a (surface area of walls)

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

How do you identify the dependent variable in an experiment?

Back

The dependent variable is identified by looking for the outcome that is measured or observed in response to changes in the independent variable.

Front

How do you identify the independent variable in an experiment?

Back

The independent variable is identified by determining what factor is being changed or manipulated to observe its effect on the dependent variable.

Front

What is the relationship between independent and dependent variables?

Back

The independent variable is manipulated to see how it affects the dependent variable, which is measured.