Yup, a lot of training techniques are universal, and you've hit on the key: consistency. Which is super hard to achieve when all the people in a household aren't on the same page. With most training courses, it's more about training the people than training the animal!
If you let go when they're still flapping, you've just taught them that flapping will get them released and they'll flap even harder the next time. That's why I wait until they give up and are calm before putting them back down. Reward only the behaviors that you want to promote! And yes...
Yeah apparently it just clicked in their bird brains earlier this week that I was the food-giver and treat-distributor. They were all pretty flighty before. Now they come running to my side of the brooder. I'm working on training them all to be picked up right now. I hold my hand down as if...
In my flock of four week olds, the on barred rock and three Dominiques are the boldest and most curious of the bunch, so yeah, troublemakers! But, they're also the ones that don't mind me picking them up too much, so there are benefits to it too.