An experimental variable is something that a scientist changes during the course of an experiment. It is distinguished from a controlled variable, which could theoretically change, but the scientists keep constant. More »

Some examples of continuous variables are measuring people's weight within a certain range, measuring the amount of gas put into a gas tank or measuring the height of people. A continuous variable is any variable that ca... More »

Psychological variables refer to elements in psychological experiments that can be changed, such as available information or the time taken to perform a given task. Variables can be classified as either dependent or inde... More »

A controlled variable is the element or feature that cannot be changed during the course of an experiment. The controlled variable is kept constant so the changes in other variables can be observed more easily. According... More »

A manipulated variable is a facet of an experiment that researchers or scientists change in order to see how the outcome of the experiment changes. The manipulated variable is also called the independent variable, and it... More »

To solve an algebra problem, identify the variable for which you are solving, isolate the terms containing that variable, and then solve the equation by isolating the variable itself. Check your work by plugging your ans... More »

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In math, a dependent variable is one in an expression, equation or function that depends upon one or more other variables' values to determine its value. The dependent variable is usually isolated on one side of an equat... More »