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Unblinded (somewhat unavoidable), informal randomisation, n=26, the sole author is an interior designer with no scientific training. Paper states an "average" d
by jdietrich 7y ago
Unblinded (somewhat unavoidable), informal randomisation, n=26, the sole author is an interior designer with no scientific training. Paper states an "average" difference in birth times of 2.1 hours (not clear if mean or median), no SDs or p-value stated. Published in Optics & Laser Technology for some reason; the editorial board appears to be entirely comprised of engineers.
- LeifCarrotson 7y agoOn the plus side, at the very least the same hospital and hospital rooms were used. I initially assumed they were comparing an expensive, spacious upper-class hospital full of art with a run-down brutalist Medicaid hospital, and conflating sampling bias with causality.