Button said making predictions about the order of the teams at the first race in Bahrain on 14 March was difficult because of the difficulty of reading the times in testing.

BBC: Jenson Button says there is more to come from McLaren

For all the difficulty of doing a rigorous evaluation in order to improve teaching performance across the board, I suspect it is a whole lot easier to identify the worst teachers in the school.

FORBES: Getting Rid of Bad Teachers

Barclays had said this showed the Bank of England had inadvertently given the impression that it would approve attempts by Barclays to submit low and inaccurate Libor submissions, in order to avoid giving the impression that it was having difficulty in raising funds at the height of the financial crisis.

BBC: Libor scandal: MPs demand changes over rate-rigging