Caselli, NaomiHall, Wyatte C.Lillo-Martin, Diane2017-08-082017-08-082017https://hdl.handle.net/2144/23321This piece will be included in a collection of commentaries that are being compiled as a Letter to the Editor.en-USSign languageAmerican Sign Language (ASL)Sign language exposureOperationalization and measurement of sign languageArticle