Does anyone have any personal experience with teaching sign language to their child as another form of communication? My sister-in-law, who is a teacher and has 2 children, swears by it. She says it makes children less frustrated because they can communicate in different ways. But both of her kids didn't actually speak until very late, so I am conflicted. They offer a class by our home starting next month and my husband and I were wondering if we should look into it. Any thoughts?
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