I found this report, and although it's US based there are some really interesting points made. And I always look to data to evidence findings and there is lots of insight in here - because without insight data is really just numbers.

I've posted a few times around how important copy is, that when you make a relatively small change to even a job title it can have a huge impact on the numbers you attract.

Sometimes as recruitment professionals we need to take a step back to see the wood from the trees. Challenge yourself and others. Take a look at the link below and take that step to make some improvements, a little time invested in your job advert will be paid back in multiples.