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A comment on The Effect of Cold Showering on Health and Work (2016). Parent comment

Re:The Effect of Cold Showering on Health and Work (2016) by chongli on Wednesday January 29, 2020 @06:14AM (#22179355)
Does it increase perseverance or merely select for it? This study does not distinguish the two and to me the latter is more likely.
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Re:The Effect of Cold Showering on Health and Work (2016) by iandanforth on Wednesday January 29, 2020 @06:19AM (#22179385)
That's what the randomization protocol is for?
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