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invariance |
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invariance [in′ver·ē·əns] (mathematics) (optics) Any property of a light beam that remains constant when the light is reflected or refracted at one or more surfaces. (physics) The property of a physical quantity or physical law of being unchanged by certain transformations or operations, such as reflection of spatial coordinates, time reversal, charge conjugation, rotations, or Lorentz transformations. Also known as symmetry. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Assessing the factorial invariance of Harter's self-concept measures: comparing preadolescents with and without spina bifida using child, parent, and teacher report. Finally, research should be conducted with elementary-age American students to establish the construct validity, scale stability, and factor invariance among disparate age and ethnic groups of the four-dimension MCI-SF. Skoric, (Mis-)handling Gauge Invariance in the Theory of the Quantum Hall Effect. |
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