If we see three people we can say they are class majestic, regal, and imperial or heavy, heavier, and heaviest , or size 30, 40, 50, or 150 pounds, 200 pounds and 250 pounds. In fact they weigh 150, 200, or 250 pounds they are, in fact, ordered in what is called a ratio scale. However we may not always have or even want every aspect of information available in nature. In our technical terminology, their ordering could be nominal, ordinal, interval or ratio depending on how much information we want to communicate. Similarly for personality except that the relationship in nature is less well known or understood. In essence then we are talking about how much information is retained in the vicarious system with respect to the variables of interest. This is like assigning different football players different numbers. The only thing
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