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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
Variables are named references to objects in memory. Their several variants ( local, instance, class, constant, etc) each have their own subtleties.
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 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 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  ...
http://psychology.about.com/od/researchmethods/f/variable.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 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.
http://chemistry.about.com/od/chemistryterminology/a/What-Is-An-Independent-Variable.htm
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  ...
http://chemistry.about.com/od/chemistryterminology/a/What-Is-The-Difference-Between-Independent-And-Dependent-Variables.htm
DRY MIX Experimental Variables Acronym - Chemistry - About.com
Learn how to use the acronym DRY MIX to remember what the independent and dependent variables are and where to put them on a graph of experimental ...
http://chemistry.about.com/od/scientificmethod/fl/DRY-MIX-Experimental-Variables-Acronym.htm
What Is a Dependent Variable? (Definition & Examples) - Psychology
The dependent variable is an aspect of behavior that researchers want to investigate to see if changes in one variable result in changes in the behavior.
http://psychology.about.com/od/dindex/g/dependvar.htm
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