Whilst I recognise that this is getting into semantics squirly, but would you suggest/recommend for a guy to wear a more neutral shirt/tie combination (i.e. black shirt with plain tie, white shirt with plain tie) or something a little bit more eye catching?
On a different note, does the process (assessment day, group session, interview, etc.) take one (1) day or does it last over three (3) days? In other words, is there any chance that you can explain why the assessment day in Melbourne Australia is listed over three (3) days?