Ming from Agents of Speech explains how to respond when your child is angry: stay neutral, skip the questions and scolding, and quietly observe. Reward calm behavior later. This reduces stimuli and helps the child feel safe, which therapists say improves home dynamics.
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Should you ignore or not? My stance is removing that excessive screaming, shouting, removing scolding, removing question and asking or comments just don't help should be done. You shouldn't do that. You should keep as neutral as you can and the reason is no matter what you say or do at that time, it won't serve their purpose. If they're not attention seeking, no amount of what do you want. That kind of requesting or like commenting or asking questions won't work. Provide an alternative instead of them throwing a fit, you do it more often. They understand that they're safe with you, you will take care of the needs, you will remove anything that frustrates them. They know that when they're calm or whatever they get more rewards, get more attention from you and therefore it will become a better place at home. Hopefully you understand why therapists tell you to ignore often than not is to reduce the variables, reduce the sounds, reduce all the comments, questions and for you to silently and neutrally observe what's going on.