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The Impact Of Baby Sign Language On Language Development

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This article is a meta-analysis of the impact baby sign language can have on language development of typically developing hearing infants and their parents. Articles reviewed were required to include typically developing hearing children under the age of 36 months with hearing parents. One study by Holmes & Holmes’ (1980) concluded that the participants in the study had accelerated language acquisition compared to the norms; however, there were no statistical analyses completed to show significance of the results. The second study analyzed by Goodwyn, Acredolo and Brown (2000) studied three groups of children: sign training (ST), verbal training (VT), and non-intervention control (NC). ST group did have a higher receptive language measure across

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