A rough outline of the experiment is shown by the flow chart. Because it is a matched pairs design on a large scale, not all aspects are to proportion or completely detailed in the chart.
Treatment 1 (red)
Treatment 2 (orange)
Treatment 3 (yellow)
Random Allocation
(of population to sample size)
Groups- 8,000 groups of 1 individual subject
Random Allocation (of treatment schedules)
Treatment 4 (blue)
Compare- quantity of each treatment eaten on average during the 14-day availability window