I don't know about any studies, but I know those numbers mentioned are all too big for me. I've settled on 1.1 for my reading (which is probably quite dependent on hardware, reading software, and font, truth be told). Most stuff 1.2 or bigger just looks goofy to me. I must be an outlier.
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I began reading a new novel which I see has a line height of 1.36 & that seems to be a comfortable spacing - better than the default of, I think 1.2 that most books display as.
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Ideally, the books themselves would define NO line-height setting, so that the reader could set their preference consistently across all books with one setting in their reading app/device. I know if I decide to open the hood on a commercial epub, I always go ahead and remove any line-height css/styles that might apply to the normal body text of the book while I'm in there.