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Data, definition, deduction: an empirical view of operational analysis

The theoretical aspects of operational analysis have been considered more extensively than matters of its application in practical situations. Since its relationships differ in their applicability, they must be considered separately when they are applied. In order to do this, the foundations of three such relationships are examined from an empirical point of view.To further demonstrate the intimate connection between data, definitions, and performance models, the problem of measurement artifact is considered.