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measurement invariance
measurement invariance Measurement invariance is the property of a measure showing that it assesses the same underlying construct in a comparable way across different groups.
Measurement invariance is the property of a measure showing that it assesses the same underlying construct in a comparable way across different groups. It is needed before comparing group mean scores on latent traits, so that score differences are interpreted as real group differences rather than differences in how groups understand or respond to the items.