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measurement theory
measurement theory Measurement theory is the set of ideas and methods used to examine whether an assessment actually measures the underlying trait it is intended to measure.
Measurement theory is the set of ideas and methods used to examine whether an assessment actually measures the underlying trait it is intended to measure. In this context, it focuses on issues such as dimensionality and whether the items reflect one common latent variable, because scores are hard to interpret if the instrument is not measuring the intended construct.