Try,Originally Posted by Emanuelli
A. I think the worst thing you could do is shout at children.
=> 'the worst' is a superlative form and it comes before the noun it modifies.
B. Shouting at children just makes the situation worse.
=> 'worse' is an a simple adjective and comes after the noun it modifies.
My toothache is worse.
The situation is worse.
This is the worst toothache I've had.
This is the worst situation in the word.