Maybe...no, scratch that.
Or perhaps... no, nevermind.
One way to improve decision making is to actively broaden your options beyond the obvious.
Another way to improve your decisions is to strategically eliminate options that don't deliver on your objectives as well as other options do.
However, if you try to broaden and narrow your options at the same time, you'll just end up feeling stuck.
Both methods important, but remember to keep them separate.