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17 Law & Soc'y Rev. 153 (1982-1983)
Improving the Ability of Jurors to Comprehend and Apply Criminal Jury Instructions

handle is hein.journals/lwsocrw17 and id is 155 raw text is: IMPROVING THE ABILITY OF JURORS TO
COMPREHEND AND APPLY CRIMINAL
JURY INSTRUCTIONS
LAURENCE J. SEVERANCE*
ELIZABETH F. LOFTUS
The complexity and linguistic construction of jury instructions can
inhibit jurors' ability to comprehend and apply the law. Study 1
analyzes questions asked by actual deliberating jurors in order to
identify sources of juror misunderstanding in criminal pattern jury
instructions. Instructions concerning reasonable doubt, criminal
intent, the use of evidence concerning prior convictions, and the
general duties of jurors, are selected for further investigation. Study 2
uses videotaped trial materials to pinpoint linguistic problems that
confuse jurors and interfere with their abilities to accurately
comprehend and apply the selected pattern jury instructions.
Available knowledge concerning psycholinguistics is then applied to
rewrite the troublesome instructions; in addition, legal expertise is
consulted to help assure that the rewritten instructions are legally
valid. Study 3 demonstrates that the rewritten instructions improve
jurors' understanding relative to Pattern or No instructions. Overall,
the research indicates the availability to the criminal justice system of
improved methods for instructing jurors accurately and effectively in
the law.
In criminal cases, the right of accused persons to trial by
jury is guaranteed under the Sixth Amendment to the U.S.
Constitution. The jury's duties in a criminal trial are to decide
the facts by examining evidence and testimony presented
during trial and then to apply the law, as received through
instructions from the judge, to reach a verdict of guilty or not
guilty. From a legal perspective, the judge's instruction on the
law is crucial information intended to provide the jury with the
proper legal standards for reaching a verdict.'
A major problem for criminal defendants and for jurors is
the fact that laypersons who serve on juries are often unable to
understand the instructions on the law given by the judge.
Misunderstanding arises from the syntax of the instructions,
from the manner of presentation, and from the general
The authors wish to especially thank Edith Greene, Carla lafrate, and
Marlene Flynn for their assistance in various phases of this research.
1 See, for example, In re Winship (1970), in which the U.S. Supreme
Court required that in every criminal trial, the jury be instructed on the
standard of proof needed to convict a defendant (proof beyond a reasonable
doubt).

LAW & SOCIETY REVIEW, Volume 17, Number 1 (1982)

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