For a band 6 honestly, you need to identify the how and cause so how they will see the world differently, and in what manner? does it change their perspective? does it show something through a different light? from the audience's perspective. Depending on the question and what it asks you...
Honestly as a private school kid the only reason why we do so good is we kick ppl out who don't achieve that well, so the range is more close pushing us up, and half of us don't even get the subject we want because in the schools eyes we won' do good so super smart kids get pushed to lower...