As a radar controller, it’s best to try to make the pilot’s life easy by reducing their workload whenever possible.
One way you can do this is by having the aircraft at the altitude you intend on clearing them at, on base. So if you are going to clear at 3000ft MSL, have the aircraft at 3000ft MSL on base.
Now this isn’t always possible either due to terrain or a more rare case, to avoid conflicts with other aircraft in the area.
Doing so reduces the pilot’s workload because when you clear them they simply just need to change heading and intercept. Some controllers believe through experience that this may even decrease the chance the aircraft could go missed.