Science Experiments

# What is the difference between an independent variable and a dependent variable?

In an experiment, the independent variable is the variable that can be altered or controlled to produce a change. The result being studied is the dependent variable, which is observed to change as the independent variable is changed.

Example : In an experiment testing the effect of caffeine on reaction times, the amount of caffeine consumed is the independent variable and can be varied. The reaction times are the dependent variable, and a correlation (change in times) with the independent (amount given) is the information being sought.

There are three kinds of variables. These are:

Independent variable: is not affected by any effects in the experiment

Dependent variable: its reaction does depend on other variables

Controlled variable: variable that you can control throughout the entire experiment

To put it simply, the independent variable tries to manipulate the dependent variable in an experiment.
The independent variable (manipulated variable) is a variable that is changed by the experimenter. The dependent variable (responding variable) is what you are trying to determine in an experiment. My 6th grade science teacher taught us a poem

The manipulated is what you control the responding variable is your ultimate goal.

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## Related Questions

independent variable is the one you control. the dependent variable depends on the indepdendent variable (the results). on the graph independent in on the bottom and dependent is on the side

The independent variable is the variable that is manipulated. This affects the dependent variable and the results of the experiment.

An independent variable is the variable you can change in an experiment. On a graph, it's on the X-axis. A dependent variable is the result of changing the independent variable. It is literally dependent on it. The dependent variable goes on the Y-axis.

A dependent variable can vary as the experiment goes on. The independent will not change during the experiment.

Dependent variable is your data, independent variable is what you are testing. Ex. Sunlight would be the independent variable and a plants growth would be the dependent variable.

In an experiment the independent is the stimulus, the thing controlled or applied by the experimenter. The dependent variable is the response, the reaction to the independent variable.

An independent variable can be any of a given set of values while a dependent variable is represented as a function of another variable.

The difference is that the independent variable is the one being changed (manipulated), dependent is not.

Independent variable is a kind of variable in an experiment that can't be controlled or changed. While dependent variable is a result or effect of the independent variable.

The independent variable is the variable being manipulated in the experiment in order to show the effect on the dependent variable. It is also called the experimental variable.The dependent variable is the variable being observed in the experiment. Changes in the dependent variable as a result of changes in the independent variable are observed, which is the purpose of the experiment. Dependent variable is also called the response variable.

An independent variable is the variable that changes in a experiment. And a dependent variable is the variable that changes as a result of a of the independent variable.

The Independent Variable is the variable being manipulated. The dependent variable is what your trying to get a conclusion of.

a dependent variable is something that you cannot change but comes out as a result/an independent variable is something that you change in your experiment like the temperature of something or the amount of something

For example in the sraight line equation of y = 2x+6 it is y that is the dependent variable because its value is determined by the independent variable of x

the dependent variable changes with the independent variable. the independent variable only changes when changed by the experimenter. Time is usually an independent variable.

Depends on the relationship between the independent and dependent variables.

In an experiment, the independent and dependent variables are very closely related. The independent variable is the element that is manipulated, and the dependent variable changes depending on what is done to the independent variable.

The independent variable is the value being manipulated or changed, while the dependent variable is the observed result of the independent variable being manipulated. "IF" you change the independent variable, "THEN" what happens to the dependent variable?

The independent variable is the variable that you are curious about, and that you are going to change is some systematic way in an experiment to see what affect your changes make. What you check, to see if there are differences, is the dependent variable. According to your hypothesis, the values of the dependent variable will 'depend' on how you manipulate the independent variable.

The independent variable (such as time) is places on the x-axis of a graph. Always place the things that will never change on the x-axis. The dependent variable is then placed on the y-axis. The difference between the independent and dependent variable is that the independent variable in an experient does not change it is what stays constent, it is what is used to measure the dependent variable. On the other hand the dependent variable is what the experiment is testing for and what depends on the independent variable.

i think depednant variable is what youre gonna keep the same and independent variable is what youre changing , hope that helped!.....

A dependent variable is a variable dependent on the independent variable. A control variable is something you want to try to keep the same. A dependent variable is something you measure. An independent variable is something you change.

An independent variable is a variable which stands independent and is unaffected by other variables. A dependent variable is a variable which is a response to the independent variable, and is usually the factor that is being tested in an experiment.

It depends on the relationship, if any, between the independent and dependent variables.

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