Published at Wednesday, March 28th, 2018 - 17:41:43 PM. . By Bobbi Kerr.
Some countries like India, Indonesia, Papua New Guinea, Nigeria, and Mexico are very multilingual, however, the government in each of these societies has given recognition to a single official language that has to be used in the government, and and the result is that multilingualism is not a common problem in those particular societies.
The Baby sign language was initially developed in the United States of America. It was developed by Linda Acredolo, a professor of psychology at the University of California which is in Davis and by Susan Goodwyn who is also a professor emeritus of psychology at the California State University. They had started research on this subject in the year 1982.In the year 1985 they produced an article in Human development. The article was titled \"Symbolic gesturing in language development: A case study.\"
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