Different planes are different.
And although some might think that not reducing flaps on final is an old wives tail, I know that in some planes the effects of doing so are drastically different than in other planes.
A couple examples, in a Maule, reducing the flaps will "drop" you onto the ground from as much as 10 feet up. Which can be nasty on the gear if you are that high. In a C 172, from 40 degrees to 30 degrees, there's not much but drag difference, so you tend to climb, but from 30 to 20 there's quite a bit of lift that's lost, and you don't climb, you descend. Which is why in a go-around you push throttles/mixture/heat first, and don't raise flaps until you have a positive rate of climb.
So, if you want to descend - either by losing lift, or by stalling - then put in flaps, slow to 1.2x the stall speed for that configuration and then reduce the flaps. Try that in your aeroplane, and see how much (if any) leeway you have. If you happen to be 1.1x stall speed for a configuration when you reduce the flaps, you may find that you need quite a bit of elevation to recover. This would be a good experiment for whatever you're flying.
Although, if you're going to do that experiment, be sure you have plenty of altitude before trying it.