Even when our union volunteered to be a part of the process we were rebuffed at every turn. Anyone who has ever taken a course in probability and statistics has to be shaking their head. Their job is to dutifully recite the figures whether accurate or not. Do your job the way you know how. Work in a calm, safe manner and follow the rules.
Nobody works at the same pace everyday for a thousand different reasons.
We know very little about it at this time. The Dispute Resolution Process has been a great success to date. It has reduced the amount of Step 3 grievances dramatically. It is being tested in a small number of districts and will be expanded in the near future. The evolution of processing, sorting and casing mail by robotics is ongoing, the ultimate goal of having the mail ready to go to the street when the carriers arrive in the morning.