# invariance

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## in·var·i·ance

(ĭn-vâr′ē-əns)
n.
1. The condition or quality of being unchanging; constancy.
2. The property of being mathematically invariant.
ThesaurusAntonymsRelated WordsSynonymsLegend:
 Noun 1 invariance - the quality of being resistant to variationunchangeability, unchangeableness, unchangingness, changelessness - the quality of being unchangeable; having a marked tendency to remain unchangedunvariedness - characterized by an absence of variation 2 invariance - the nature of a quantity or property or function that remains unchanged when a given transformation is applied to it; "the invariance of the configuration under translation"constancy, stability - the quality of being enduring and free from change or variation; "early mariners relied on the constancy of the trade winds"math, mathematics, maths - a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement
References in periodicals archive ?
Multiple group analyses were conducted to test the measurement invariance across gender (female vs.
Sections cover extremal functionals, invariant functionals, the invariance of fields, and trans-Noether invariance.
2004), we studied factorial invariance between a standard and an expert sample.
Measurement invariance assumption should be satisfied prior to the comparison to test whether the same psychological constructs are being measured in all groups.
Therefore, three studies were performed to (1) develop such instrument and analyse its psychometric properties, (2) investigate and confirm its factor structure and internal consistency, and (3) evaluate its factorial invariance.
Desire, Expectation, and Invariance, RICHARD BRADLEY and H.
Monestes et al, in press), the measurement invariance (i.
Objective: Title: Exponential Sums, Translation Invariance, and Applications.
Measurement equivalence or measurement invariance is usually considered as measuring the "same concept in the same way across various subgroups of respondents" (Davidov, Meuleman, Cieciuch, Schmidt, & Billiet, 2014, p.
However, no studies are found on the invariance of this measure for different groups and cultures, as recommended by the International Test Commission (2000).
LMA is a recommended technique for testing true mean differences between groups, based on measurement invariance that the same construct is being measured between groups.

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