independent and dependent variables

Front

What is an independent variable?

Back

An independent variable is a variable that stands alone and is not affected by other variables. It is the cause in a cause-and-effect relationship.

Front

What is a dependent variable?

Back

A dependent variable is a variable that depends on other factors. It is the effect in a cause-and-effect relationship.

Front

In the equation y = mx + b, which variable is independent?

Back

x is the independent variable.

Front

In the equation y = mx + b, which variable is dependent?

Back

y is the dependent variable.

Front

If the number of hours studied increases, what happens to the test score? Identify the independent and dependent variables.

Back

Independent variable: number of hours studied; Dependent variable: test score.

Front

What does it mean when we say a variable is 'dependent'?

Back

It means that the variable's value is influenced by changes in another variable.

Front

In a study, if the amount of sunlight affects plant growth, what are the independent and dependent variables?

Back

Independent variable: amount of sunlight; Dependent variable: plant growth.

Front

If you are measuring how the temperature affects ice cream sales, what is the independent variable?

Back

The independent variable is temperature.

Front

If you are measuring how the number of pages read affects a student's grade, what is the dependent variable?

Back

The dependent variable is the student's grade.

Front

What is the relationship between independent and dependent variables?

Back

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