Ming @ Agents of Speech breaks down why kids have tantrums: they either want something or are trying to escape something uncomfortable. A child afraid of scissors or hair clippers is escaping sensory pain, not being difficult. Knowing which one tells you how to respond.
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So generally speaking for speech delayed children wanting something, right? In the industry, we call it like mending for something. It's wanting something. The second is escaping from something. Here you have to understand sometimes when they had a bad experience with a certain sensory, they will try to escape when they feel like they're gonna feel that sensation again. Like if a person has semi drowned in a swimming pool before had a bad experience, they would try not to swim anymore. Escaping from something that when they see it, they want to run away. Already I've taught a bunch of children to reduce their fear about scissors and like hair clippers of sort for cutting hair. That in itself is something what we call tactile defensiveness. Tactile defensiveness is that they, they can see in the future that something might happen to them and they get defensive about that. Escaping from something is very important. You need to look at it and think about why the child is having a tantrum. You need to see what they're. Are they wanting something? Are they trying to escape?