I have recently worked with an elite athlete who was in a slump. They were not performing at their peak.
Most slumps are in athletes’ heads. They try to change their technique, but that doesn’t help.
They need to change their minds.
When you are in a slump, you go into the competition expecting to fail.
When you are on a streak, you go into the competition expecting to succeed.
So how do you get out of a slump?
Act As If It Were Impossible To Fail
Go into the competition (or school, or work, etc) and act like the person you want to be.
Then tell me what happens.