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Related Experiment Videos

Effects of trial complexity on decision making

I A Horowitz1, L ForsterLee, I Brolly

  • 1Department of Psychology, Oregon State University, Corvallis 97331, USA. horowiti@cla.orst.edu

The Journal of Applied Psychology
|December 1, 1996
PubMed
Summary

Complex trials challenge civil juries. High information load and complex language impair juror decision-making, affecting liability and compensation fairness, especially with multiple plaintiffs.

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Area of Science:

  • Legal Psychology
  • Jury Decision-Making Research

Background:

  • The capacity of civil juries to deliver just verdicts in intricate trials is a persistent concern.
  • Limited research has explored the specific factors contributing to trial complexity and their impact on jury deliberation.

Purpose of the Study:

  • To investigate how information load and linguistic complexity in civil trials influence jury decision-making processes.
  • To determine the effects of these complexity factors on judgments of liability and the assessment of compensatory damages.

Main Methods:

  • Jury-eligible adults were exposed to a simulated complex civil trial via videotape.
  • The trial simulation systematically varied the information load and the complexity of witness testimony language.

Main Results:

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  • Increased information load, particularly with more plaintiffs, reduced assigned blameworthiness despite contrary evidence.
  • Complex language negatively impacted jurors' ability to differentiate and compensate plaintiffs appropriately.
  • Fair compensatory awards were awarded only when information load and language complexity were low.

Conclusions:

  • Trial complexity, specifically high information load and intricate language, significantly compromises jury fairness and rationality.
  • These factors can lead to biased liability judgments and inadequate compensation, undermining the justice system.
  • Strategies to simplify trial presentation are crucial for ensuring equitable jury outcomes.