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156 U. Pa. L. Rev. PENNumbra 1 (2007)

handle is hein.journals/pennumbra156 and id is 1 raw text is: ON THE SUPPOSED EXPERTISE OFJUDGES
IN EVALUATING EVIDENCE
BARBARA A. SPELLMANt
In response to Frederick Schauer, On the Supposed Jury-Dependence of
Evidence Law, 155 U. PA. L. REV. 165 (2006).
From way down in the dirty depths, where those of us who collect
empirical data dwell unobserved and largely ignored by most legal
academics,' it is refreshing to hear a call for more data from legal
scholars such as Fred Schauer.     In asking whether it makes sense to
follow the existing trend of discarding much of evidence law when
judges-rather than juries-are the fact-finders at trial, lie notes that
the empirical literature involving judges' reasoning is sparse and the
literature comparing judges with jurors is even sparser.     In order to
determine whether judges are better than jurors at weighting4 evi-
dence and fact-finding, as many appear to believe,: he wishes for more
and more focused research.
t Associate Professor of Psychology, University of Virginia. Ph.D. 1993, University
of California, Los Angeles. J.D. 1982, New York University School of Law. B.A. 1979
Wesleyan University.
However, the times might be a-changin'. Witness the new.Jounal qf Etmpiical
Legal Studies, its associated annual conference, and the increasing number of
J.D./Ph.D.'s on the faculties of major law schools. Schauer, himself, seems to have
turned the corner; see his call for the greater use of data in Frederick Schauer, Foe-
word: The Coud' Agenda -And the Nation's, 120 HARv. L. RnV. 4, 14 & n.31 (2006).
See Frederick Schauer, On the Supposed juy I)epetdetice qf'Evidence Law, 155 U. PA.
L. REv. 165, 187-189 (2006) (expressing the need for more experiments on judge and
jury behavior).
3 Id.
4I use the term weighting evidence to indicate the consideration of how much
value to place on an individual piece of evidence. I use the term weighing evidence
to indicate the balancing of evidence from both sides when trying to reach a conchl-
sion.
5 See Schauer, supra note 2, at 188 (noting the popular belief). But see Paul H.
Robinson & Barbara A. Spellman, Senlencing Decisions: Mlalching the Decisionmaker to the
Decision Nature, 105 COLUM. L. REV. 1124, 1138-46 (2005) (arguing that given the un-

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