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Articles related to variables

Everything You Need to Know About Variables - Ruby - About.com
In more dynamic languages like Perl (with strict enabled), variables may be declared anywhere but must be declared before used. In Ruby, things are a bit ...
Variables - Ruby - About.com
What are Variables and how to use Variables in Ruby.
Instance Variables in Ruby - About.com
They differ from local variables in that they don't exist within any particular scope. Instead, a similar variable table is stored for each instance of a class. Instance ...
What Is a Variable in Science? (And Types of Variables) - Chemistry
Basically, a variable is any factor that can be controlled, changed, or measured in an experiment. Scientific experiments have several types of variables.
What Is a Variable? - Psychology - About.com
A variable is something that can be changed, such as a characteristic or value. Variables are generally used in psychology experiments to determine if changes  ...
What Is the Difference Between Independent and Dependent ...
The difference between independent and dependent variables in a scientific experiment is which variable is being measured. Here's an explanation of how to  ...
What Is an Independent Variable? - Chemistry - About.com
An independent variable in a scientific experiment is the variable that is changed to test the effect on a dependent variable.
Dependent Variable - Definition of Scientific Terms - Chemistry
A dependent variable is the variable being tested in a scientific experiment.
What Is a Dependent Variable? (Definition & Examples) - Psychology
In a psychology experiment, researchers are looking at how changes in the independent variable cause changes in the dependent variable.
What Is the Independent Variable? - Psychology - About.com
The independent variable is the characteristic of a psychology experiment that is manipulated or changed. For example, in an experiment looking at the effects of ...
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