Now there’s science to back up my contention in The Well-Presented Manuscript that writing more slowly may improve your work’s quality. (Pity about the clickbaity headline.)
http://www.spring.org.uk/2016/02/improve-writing-quality-with-one-easy-psychological-trick.php
This could be useful to share with students. The way I try to get them to slow down is by reading out loud… but that’s a struggle; many of them don’t do it. But it’s so helpful to hear what you write!