Etherington should have scored Stoke's opener at Ewood Park, but he somehow managed to skew a left-foot volley wide from inside one yard during a dour first half.

BBC: Steve Kean takes Blackburn captaincy from Chris Samba

So those people who are difficult to contact are not simply left out of the poll, which can skew the result.

ECONOMIST: Why the polls got it wrong last time

Michel said that a left-leaning baby with a right-handed mother might skew back toward the middle after seeing his mother using her right hand.

WSJ: Baseball's Oddest Fraternity