Comparison
A method of illustrating relationships and patterns in system behaviors by representing two or more system variables in a controlled way.
People understand the way the world works by identifying relationships and patterns in or between systems. One of the most powerful methods of identifying and understanding these relationships is to represent information in controlled ways so that comparisons can be made. Key techniques for making valid comparisons are apples to apples, single contexts, and benchmarks.1
Apples to Apples
Comparison data should be presented using common measures and common units. For example, when comparing crime rates of different countries, it is necessary to account for differences in variables such as population, ...
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