yep we do because there is only so far you can take them with out letting them loose.
In a perfect world we would get them back after 50 hours and do another 10 when they actually had some experence to understand the finer points you are trying to get across,but it doesn't work like that.
If you have a look at the way gliding training is done and progress through the tickets both pilot wise and instructor wise its a hellva lot more sensible.