Saw this link on a previous HN thread: http://www.insead.edu/facultyresearch/research/doc.cfm?did=4...

I like how it describes the negatively reinforcing cycle of closer scrunity which results in worse performance etc. I'd also suggest personal coaching: don't tell your devs what to do, get them to realise what would be the most expedient method of proceeding (http://en.wikipedia.org/wiki/GROW_model).