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For example, self-esteem is a measure of how people feel about themselves. The OPERATIONAL DEFINITION provides a concrete description of the variable. directly measured. In addition, whether or not the variable can be directly measured, the operational definition names the possible values of the variable. For example, self-esteem is a measure of how people feel about themselves. The OPERATIONAL DEFINITION provides a concrete description of the variable. If the variable is not directly measurable, it identifies aspects of the variable that can be. directly measured. In addition, whether or not the variable can be directly measured, the operational definition names the possible values of the variable.
The operational definition of an empirical term (i.e., a descriptor of some element of physical experience) is the description of a specific process, or set of validation tests, accessible to more persons than the definer (i.e., said to be publicly accessible), whereby it is (or can be) repeatedly measured or tested.his is especially so in the sciences, where most (if not all) formal definitions (as distinct from arbitrary naming) must be operational definitions or traceable to operational definitions. Operational definitions are particularly important in the physical sciences.