These can lead both children and adults to underachieve at school, at work, in relationships and marriage, and in all other settings.

NPR: Excerpt: 'Delivered from Distraction'

It seemed the right kind of place to underachieve in hedonistic peace.

NEWYORKER: Booted

They are worried that the first wave of pupils to experience it in secondary schools will underachieve in exams because their teachers are not sure how to turn the loose objectives into day-to-day lessons.

BBC: Row over plans for new curriculum in Scotland