“High-flying girls “choke” when doing maths because they have less confidence than male classmates, researchers claim.

A study found that self-confidence made a bigger difference to teenagers’ success in science in Britain than anywhere else and the gap between girls’ and boys’ performance in the subject was wider than in any other developed country.” (The Times, 6th March 2015)

“Girls who are graded leniently in maths go on to do better at school and are more likely to choose to study science, research suggests.

” Teachers who are biased towards girls may be helping to create a self-fulfilling prophecy, with their female pupils being propelled by their confidence to outperform their classmates [research in French schools suggests]” (The Times, 15th March 2015)

Compare and contrast, as they say.