SIL got access to academic legitimacy; linguists bracketed the evangelical engine that drives SIL because they got access to data and tools.
Because the didn't have enough young boys for two full teams, they bracketed the seven-year olds with the eight-year olds.
I tried to hit the bullseye by first bracketing it with two shots and then splitting the difference with my third, but I missed.
... But, ideally, you want to try to bracket it ...