Looks like there was no placebo group? Don't know what that could be, something silly like otamatone lessons.

A placebo didgeridoo, otherwise known as a didgeridon't

askvictor 3 hours ago | parent | prev | next [-]

RTFA? "Participants in the control group remained on the waiting list for lessons"

	▲	gblargg 3 hours ago \| parent [-]
		That's not a placebo. A placebo would be learning to play some other instrument like a piano, that doesn't involve breath. I also RTFA and saw no mention of any meaningful control group. For all they know the effects would come from learning any instrument, or just going to regular classes, or...

nephihaha 4 hours ago | parent | prev [-]

Now I want to hear about the possible effects of ukulele playing on scoliosis.