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2006

University of Michigan Law School

Evidence

Juries

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The Cognitive Psychology Of Circumstantial Evidence, Kevin Jon Heller Nov 2006

The Cognitive Psychology Of Circumstantial Evidence, Kevin Jon Heller

Michigan Law Review

Empirical research indicates that jurors routinely undervalue circumstantial evidence (DNA, fingerprints, and the like) and overvalue direct evidence (eyewitness identifications and confessions) when making verdict choices, even though false-conviction statistics indicate that the former is normally more probative and more reliable than the latter The traditional explanation of this paradox, based on the probability-threshold model of jury decision-making, is that jurors simply do not understand circumstantial evidence and thus routinely underestimate its effect on the objective probability of the defendant's guilt. That may be true in some situations, but it fails to account for what is known in cognitive psychology …


Improving Criminal Jury Decision Making After The Blakely Revolution, J. J. Prescott, Sonja B. Starr Jan 2006

Improving Criminal Jury Decision Making After The Blakely Revolution, J. J. Prescott, Sonja B. Starr

Articles

The shift in sentencing fact-finding responsibility triggered in many states by Blakely v. Washington may dramatically change the complexity and type of questions that juries will be required to answer. Among the most important challenges confronting legislatures now debating the future of their sentencing regimes is whether juries are prepared to handle this new responsibility effectively - and, if not, what can be done about it. Yet neither scholars addressing the impact of Blakely nor advocates of jury reform have seriously explored these questions. Nonetheless, a number of limitations on juror decision making seriously threaten the accuracy of verdicts in …