Are Threshold Concepts the new Growth Mindset? Thoughts on the Importance of ‘Blockers.’

I was at a training conference recently where running effective meetings was being discussed. Eventually, the discussion segued into the so-called ‘types’ of members of staff who might be at the meeting. For instance, there are ‘blockers’. You know the type, the ones that question every idea and find faults in everything? (Cue eye-rolling and…