I'm with Chicken6 on this one, (even though I don't do instructing. Not everyone will jump out of the training 152 into another benign beastie. Then it is the quality of the training that comes back when you do solo practices. I still get that slightly rusty feeling in spring, and have to go through the mental checks in preparation for a re-familiarisation flight. THE hardest thing to remember is the (absence of) aileron, because it just ain't natural.
As for the tricks about pushing the middle of the control column; all decent aircraft have sticks.
Zooooooooo...........ooooooooooom