Essay   |   Volume 160, Issue 4

When 10 Trials Are Better than 1000: An Evidentiary Perspective on Trial Sampling

By
Edward K. Cheng

April 2012










In many mass tort cases, individual trials are simply impractical. Take, for example, Wal-Mart Stores, Inc. v. Dukes, a class action employment discrimination suit that the Supreme Court reviewed last Term. With over 1.5 million women potentially involved in the litigation, the notion of holding individual trials is fanciful. Other recent examples of the phenomenon include the In re World Trade Center Disaster Site Litigation and the fraud litigation against light cigarette manufacturers, in which Judge Weinstein colorfully noted that any “individualized process . . . would have to continue beyond all lives in being.”

Faced with an unserviceable number of plaintiffs, courts have proposed sampling trials: rather than litigating every case, courts would litigate a small subset and award the remaining plaintiffs statistically determined amounts based on the results. But while sampling is standard statistical practice and often accepted as evidence in other legal contexts, appellate courts have balked— based on due process concerns—at the notion of court-mandated, binding trial sampling.

Despite this appellate reluctance, the controversy continues unabated. Trial courts have soldiered on by using nonbinding sampled trials (dubbed “bellwether trials”) to induce settlement, and a few brave appellate courts, including the Ninth Circuit in Dukes, have even hinted at an increased receptivity to sampling. Given that trial courts have few practical alternatives, one wonders if it is just a matter of time before their appellate brethren recognize the necessity of sampling.

When 10 Trials Are Better than 1000: An Evidentiary Perspective on Trial Sampling - PennLawReview.com

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