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Representation of concepts and relationships between concepts From Wikipedia, the free encyclopedia
A nomological network (or nomological net[1]) is a representation of the concepts (constructs) of interest in a study, their observable manifestations, and the interrelationships between these. The term "nomological" derives from the Greek, meaning "lawful", or in philosophy of science terms, "law-like". It was Cronbach and Meehl's view of construct validity that in order to provide evidence that a measure has construct validity, a nomological network must be developed for its measure.[2]
The necessary elements of a nomological network are:
Validity evidence based on nomological validity is a general form of construct validity. It is the degree to which a construct behaves as it should within a system of related constructs (the nomological network).[3]
Nomological networks are used in theory development and use a modernist[clarification needed] approach.[4]
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