November 2016 Bar Bulletin
Skip Navigation Links
CLE / Education
For Lawyers
Legal Help
Special Programs
MyKCBA Login

November 2016 Bar Bulletin

Juries 101: Three Core Factors in Jury Decision-Making

By Thomas M. O’Toole
and Jill D. Schmid


A lot has been written about jury decision-making and the potential factors that influence it. Whether it’s primacy and recency, or a debate over the extent to which our brains are similar to those of reptiles, there is a lot to get lost in, making it difficult to separate the important from the trivial, or the helpful from the detrimental.

The goal of this article is to highlight three factors that get to the core principles of jury decision-making. We discuss the implications of each and provide practical guidance for how to effectively manage them. In sum, these three factors represent the foundation for understanding how to develop an effective case theory and presentation.

Limited Focus and Retention

A well-known 3M study showed that, after three days, people remember only about 10 percent of what they were told. Other studies have shown similar findings, which means that jury deliberations encompass only a fraction of the evidence and testimony presented during trial.

While jurors have access to some resources (e.g., exhibits) that might help with recall, they do not always utilize these resources. As an example, two years ago, we were involved in a four-week trial that produced around 1,000 exhibits. When we interviewed jurors at the conclusion of the trial, they told us that they looked at only eight of the exhibits over the three-day deliberation.

Since jurors are only going to remember and use a limited amount of information during deliberations, it is critical that attorneys develop strategies for cementing the most favorable evidence and testimony in jurors’ minds. One strategy for accomplishing this is central fact selection.

This is the selection of three to five central facts about the case to which everything else is subordinate, and upon which much of the case hinges. These should consist of basic facts that are quick and easy to prove and provide a firm foundation upon which to build your overall case theory. They should not include facts that require long explanation or have debatable interpretations.

Three to five facts are not that many, but if everything is important, nothing is important and selecting more than this waters down the value of your best and most salient facts. While the decisions are difficult, the result will be simplicity and clarity in the case presentation, which increases the likelihood of successful persuasion. In most cases, three to five facts can tell jurors everything they need to know about the case. In other words, the central facts take on symbolic value. They tell the jurors a lot more about the case than just what the fact implies at face value.

In summary, central fact selection is critical for three reasons: 1) strategically chosen central facts tell your jurors much about what they need to know about the case while organically tapping into psychologically satisfying principles that drive the way they make sense of your case; 2) central facts validate the core thematic framework of the case and what a juror wants to believe about the case; and 3) these facts establish credibility by proving something to jurors (rather than asking them to take your word for it).

Motivated Reasoning

Motivated reasoning is the academic label used to describe the process by which people decide what they want to believe first, and then seek out information that reinforces that belief while rejecting, discounting or explaining away any information that contradicts it. This means case strategy development is not an exercise in what the evidence and testimony actually prove, but instead is an attempt to identify what jurors want to believe about the case and identifying the central facts that reinforce that desired belief.

A 2004 study at Emory University, led by Drew Westen, examined this issue and found that our brains may actually be wired this way. Participants were divided by political affiliation, placed in fMRI machines (which measure brain activity), and asked to watch video clips of their preferred presidential candidate making contradictory statements.

The results showed that, when exposed to these contradictions, the participants’ brains essentially went haywire; however, as soon as the participants were able to “explain away” the contradiction made by their preferred candidate, the brain released a burst of dopamine, which is the brain’s “pleasure drug.” The researchers described it as participants essentially giving themselves a “neurological pat on the back” for finding a way to explain away information that threatened what they preferred to believe about their candidate.

Practically, this means attorneys need to develop a central thematic framework that taps into core principles that are important to jurors. This establishes a personal connection and gives them something to fight for.

Attorneys should develop what screenwriting guru Robert McKee calls the “controlling idea.” The controlling idea is one clear, coherent sentence that expresses the case’s core meaning. It provides a simple and compelling framework that helps jurors determine what is important and what is unimportant.

...login to read the rest of this article.

Return to Bar Bulletin Home Page

KCBA Twitter Logo KCBA Facebook Logo KCBA LinkedIn Logo KCBA Email Logo

King County Bar Association
1200 5th Ave, Suite 700
Seattle, WA 98101
Main (206) 267-7100
Fax (206) 267-7099

King County Bar Foundation Home Page

Charitable Arm of the Bar

Jewels Page

Pillars of the Bar Page

All rights reserved. All the content of this web site is copyrighted and may be reproduced in any form including digital and print
for any non-commercial purpose so long as this notice remains visible and attached hereto. View full Disclaimer.