One group of participants (in the rate of traffic case) was presented with evidence that the Blue Bus Company was responsible for 80% of the traffic on the road, and the competing Gray Bus Company was responsible for the other 20%; a second group (in the weight attendant case) was presented with the testimony of a weight attendant who made a record indicating that a Blue Bus was on the road at a time corresponding to the accident, and that of a second witness who testified that this record was known to be incorrect 20% of the time.
یک گروه از شرکت کنندگان (در مورد میزان ترافیک) گفتند که شرکت اتوبوس آبی مسئول 80% ترافیک جاده است، و شرکت اتوبوس خاکستری که رقیبش است مسئول 20% دیگر، گروه دوم (در پرونده مربوط به شاهد حضوری) شاهدی ارائه دادند که یک اتوبوس آبی در زمان تصادف در جاده بوده، و شاهد دومی که شهادت داده این رکورد ضبط شده از دوربین 20% زمان را نادرست نشان می‌دهد.