The piano and violin are girls’ instruments. Drums and trumpets are for boys. According to psychologists Susan Onco and Michael Balton, ____________which musical instruments they should play.  

They find that despite the best efforts of teachers these ideas have changed very little over the past decade. They interviewed 153 children aged between 9 and 11 ______________.  

They asked them to identify 4 musical instruments and then to say which they would like to play most and which they would least lie to play. They also asked the children _______________boys or girls should not play any of the 4 instruments.

(1)children have very clear ideas about
(2)from schools in northwest England
(3)for their views on whether