How to spot the chancers who are ‘winging it’ at work

Who’s heard of working smart, not hard? Have you ever encountered one of those people in school who claim to have not done any revision but somehow aced the test? As far as winging it goes, it has appeal, but few people can genuinely be good at it. Emma Jacobs explains how you can spot the overconfident people who tend to put in far too little work and only occasionally pull it off.