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Evidence Commons

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Full-Text Articles in Evidence

Beyond The Witness: Bringing A Process Perspective, Edward K. Cheng, G. Alexander Nunn Oct 2019

Beyond The Witness: Bringing A Process Perspective, Edward K. Cheng, G. Alexander Nunn

Edward Cheng

For centuries, the foundation of the Anglo-American trial has been the witness.' Witnesses report on their personal observations, provide opinions of character, offer scientific explanations, and in the case of parties, narrate their own story. Indeed, even for documentary and other physical evidence, witnesses often provide the conduit through which such evidence reaches the factfinder. Documentary or physical evidence rarely stands on its own. The law of evidence has thus unsurprisingly focused on-or perhaps obsessed over-witnesses. The hearsay rule and the Confrontation Clause demand that declarants be available witnesses at trial so that they may be subject to cross-examination.' Expert …


Surprise Vs. Probability As A Metric For Proof, Edward K. Cheng, Matthew Ginther Mar 2019

Surprise Vs. Probability As A Metric For Proof, Edward K. Cheng, Matthew Ginther

Edward Cheng

In this Symposium issue celebrating his career, Professor Michael Risinger in Leveraging Surprise proposes using "the fundamental emotion of surprise" as a way of measuring belief for purposes of legal proof. More specifically, Professor Risinger argues that we should not conceive of the burden of proof in terms of probabilities such as 51%, 95%, or even "beyond a reasonable doubt." Rather, the legal system should reference the threshold using "words of estimative surprise" -asking jurors how surprised they would be if the fact in question were not true. Toward this goal (and being averse to cardinality), he suggests categories such …