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Direct linkBickford, J. Albert; Lewis, M. Paul; Simons, Gary F. – Journal of Multilingual and Multicultural Development, 2015
The Expanded Graded Intergenerational Disruption Scale (EGIDS), developed by Lewis and Simons and based on work by Fishman, provides a means of rating "language vitality"--the level of development or endangerment--where "development" is understood as adding or preserving functions and "endangerment" as loss of…
Descriptors: Sign Language, Language Usage, Language Maintenance, Sociolinguistics
