BBC Sport
Focussing on their league form is perhaps the most straight forward way to try and answer that question.
There is no doubt he has steadied the Dons ship, a ship which looked like it was sinking earlier in the campaign.
In their opening six games – against Hearts, Celtic, Falkirk, Livingston, Dundee United and Motherwell – they mustered just one point.
They also conceded nine goals, and failed to score in any of those fixtures.
But after that horror half dozen, they have gone on a run which…
