I'll put my two cents in. I think that we talk way too much to players now (referring to live ball situations). If you call a three seconds early (if it's there) or an off ball pick (illegal) or a block/charge situation, you establish the tempo of the game. You have established that these things will be called early and most likely you won't have to call them late.
On dead ball situations: I take every opportunity to talk to players about things I see. Just letting them know you are watching is enough to get some to stop whatever they may be doing.
Hope this is a start!
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