The first step to finding a solution to any problem is to first isolate all relevant factors that can impact on outcome. And then we must look at it. All of it.
Then we have to weigh and measure and prioritise. And then we must act with courage in the direction of the solution.
In short that is also called decision making. That is how our GM will come and so that needs to be how we train our players.
As I have said before, in chess it is almost all imagined fears that stop us from progressing. It is a mental sport and so we must first free the mind.