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>Just imagine the actual mechanics of setting up a proper Randomized Controlled Trial of seat belt safety! https://www.bmj.com/content/363/bmj.k5094 https://ww
by avip 6y ago
>Just imagine the actual mechanics of setting up a proper Randomized Controlled Trial of seat belt safety!
https://www.bmj.com/content/363/bmj.k5094 https://www.bmj.com/content/363/bmj.k5094
- freetime2 6y agoI laughed out loud when I got to this part: > Intervention: Jumping from an aircraft (airplane or helicopter) with a parachute versus an empty backpack (unblinded).
- gpderetta 6y agoalso: "the trial was only able to enroll participants on small stationary aircraft on the ground, suggesting cautious extrapolation to high altitude jumps." :) In realty I think a proper trial is supposed to always use the best known treatment as control.