I certainly did not mean to indicate I didn't think you guys had not put a lot of thought into things. If anything, my point was that all of these things are really hard, and I certainly don't count myself among the handful of people in the world who I would trust to get it right. I also have zero pedagogical chops, so don't take my word for anything!

My gut says that, if asked, I would probably recommend that the automatic recall goal is better placed as part of individual, fun "quickfire" lessons "Get these five right before the timer runs out". This would help to ensure you limit the behavior to a place where you want it, rather than somewhere where you might prefer the students to slow down and absorb what they're doing.

You could offer an informational badge showing the student completed a quickfire lesson, and I think you'd then be closer to kosher on my read of the psych literature.

But like I said, don't take my word for it :)