Brief report: How short is too short? An ultra-brief measure of the big-five personality domains implicates “agreeableness” as a risk for all-cause mortality

Controversy exists over the use of brief Big Five scales in health studies. We investigated links between an ultra-brief measure, the Big Five Inventory-10, and mortality in the General Social Survey. The Agreeableness scale was associated with elevated mortality risk (hazard ratio = 1.26, p = .017)...

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