The premise is similar to the previous segment—people have different experiences and it varies based on each workplace. A team environment is a subtle factor that should integrate new members rather than be modified by them. Whether it's a probation period or a full-on working unit, try to explain common behavior practices of a new team. It's not about dress code, lunchtime, or level of loudness; I mean telling who is responsible for managing projects, scheduling principles, meeting and reporting rules.
On the other hand, try not to push it to the extreme: if a new worker isn't used to working long past overtime, making him/her do it may have a positive effect in the short-term, but won't be great overall. Instead, make a balanced approach of involving the new workers to your corporate practices little by little so they see it as a step to moving forward.