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Articles related to variables

Variables - Ruby - About.com
What are Variables and how to use Variables in Ruby.
http://ruby.about.com/od/beginningruby/a/variable.htm
Everything You Need to Know About Variables - Ruby - About.com
Declaring Variables. In many languages, you must first declare a variable before it can be used. In C (pre-C99), this must be done at the beginning of the ...
http://ruby.about.com/od/variables/a/Everything-You-Need-To-Know-About-Variables.htm
Instance Variables in Ruby - About.com
Instance variables are some of the most common and important variables types in Ruby. They begin with the at sign (@) and allow objects to track their internal ...
http://ruby.about.com/od/variables/a/Instance-Variables.htm
What Is a Variable? - Psychology - About.com
Answer: A variable is something that can be changed, such as a characteristic or value. Variables are generally used in psychology experiments to determine if ...
http://psychology.about.com/od/researchmethods/f/variable.htm
What Is a Variable in Science? (And Types of Variables) - Chemistry
Variables are an important part of science projects and experiments. Here is an explanation of what a variable is and a description of the different types of ...
http://chemistry.about.com/od/sciencefairprojects/a/What-Is-A-Variable-In-Science.htm
What Is the Difference Between Independent and Dependent ...
Nov 27, 2014 ... The difference between independent and dependent variables in a scientific experiment is which variable is being measured. Here's an ...
http://chemistry.about.com/od/chemistryterminology/a/What-Is-The-Difference-Between-Independent-And-Dependent-Variables.htm
What Is an Independent Variable? - Definition & Example - Chemistry
This is the definition of an independent variable, with examples. An independent variable is one of the key factors in a scientific experiment.
http://chemistry.about.com/od/chemistryglossary/g/Independent-Variable-Definition.htm
Dependent Variable - Definition of Scientific Terms - Chemistry
A dependent variable is the variable being tested in a scientific experiment.
http://chemistry.about.com/od/chemistryterminology/a/What-Is-A-Dependent-Variable.htm
What Is the Independent Variable? (Definition & Examples)
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 ...
http://psychology.about.com/od/iindex/g/independent-variable.htm
What Is a Dependent Variable? (A Definition & Examples)
How can you tell which is the dependent variable in an experiment? Learn what a dependent variable is, how they work, and how identify them.
http://psychology.about.com/od/dindex/g/dependvar.htm
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