And does the level of investment depend on what the target is—what the goal is?
I don't think you can necessarily just link the two. The issue of resourcing is one that's there irrespective of whether we choose to put a target in place.
But how would we know that it's being used effectively if there isn't something to aim for?
Which brings you back to the question about evaluation. We need proper evaluation of the various programmes that we have.