Jury size and jury verdicts

The analysis of jury size and jury verdicts in criminal m a t t e r s now has along , though interrupted , history . Work In this subject in the 18th and 19th centuries by Condorcet arid Laplace is discussed and the Poisson model of the 1830's is highighted . The latter is modified t o analyze the America1 jury experience of the 20th century. Recent U. S. Supreme Court decis on sin the 1970's on jury size and jury decisiol - making have created a resurgence of interest especially on a comparison of six member and twelve member juries . Some comparisons of size in terms of probabilities of errors invericts are presented.