What's the Better Proach on Thisy?

i don't nowt like ilab, the classic cognite development study. Are more of this hypothesis driven flavers? Or actually, another way to ask, is there really like teconomy in the fud about, like, what's the better proach on thisy? I love this quote from roger brown, which i 'm going to mature, but he says something like, and this is roger branne's one of the pioneers of child language. He says that experimentalists have a distaste for the messiness of observational data from the real world. And observationalists think that the experimentalists have an oil ball boiled down to two tiny, litle variables