Thanks for that Safeteypee, I stand corrected. I confess that I've never had any encounter, either professionally or as a pax in a 146/RJ.
Incidentally just before I defected from military aviation to a life of better-paid sin in civil aviation we had a nasty in (I think from memory) a Jaguar (1996?), where controls full and free were done - the stick moved, but the ailerons and tailplane didn't - something missed because checks at the time didn't include visual confirmation. They did shortly afterwards, and I imagine still do.
Which is an interesting question for the bus drivers - when you do your control checks, do you really confirm that the rudder and elevator move? For that matter in how many types can't you see the ailerons / spoilers / flaperons from the cockpit?
And before anybody says that's ground crews job to get right, does anybody know an organisation with more professional ground crew than the RAF? - and they got it wrong on that occasion.
G