By Thomas M. O’Toole, Ph.D.
The critical takeaway from any meaningful discussion about primacy theory and its role in persuading jurors is often the one that is least discussed. Those who tout the importance of primacy theory often talk about priming the jurors to achieve victory, but research shows the real takeaway should be to avoid the early mistakes that cost you the trial. In short, you cannot win your case in jury selection or opening, but you can lose it there.
Everybody knows first impressions are important, but some research shows that negative first impressions are much more powerful than neutral or positive first impressions. This is called the negativity bias and it has been investigated extensively by academic researchers. Specifically, negativity bias recognizes that negative experiences or perceptions have a greater effect on one’s psychological state than neutral or positive experiences. Continue reading