Evidence Commons^™

Procedure's Magical Number Three: Psychological Bases For Standards Of Decision, Kevin M. Clermont

Cornell Law Faculty Publications

So many procedural doctrines appear, after research and teaching, to trifurcate. An obvious example is that kind of standard of decision known as the standard of proof: what in theory might have been a continuum of standards divides in practice into the three distinct standards of preponderance of the evidence, clear and convincing evidence, and proof beyond a reasonable doubt. Other examples suggest both that I am not imagining the prominence of three and that more than coincidence is at work.

Part I of this essay describes the role of the number three in procedure, with particular regard to standards …