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Fields Changed

Registration

Field Before After
Trial Start Date January 01, 2025 April 01, 2025
Trial End Date June 30, 2025 October 31, 2025
Last Published December 12, 2024 11:40 AM March 06, 2025 02:21 AM
Intervention Start Date January 01, 2025 April 01, 2025
Intervention End Date June 30, 2025 October 31, 2025
Randomization Method randomization done in office by a computer Customers will be assigned into certain groups based on the day they enter the experiment. In particular, we will split time into week blocks. Each week is randomly assigned to one of the arms. Customers who enter the experiment in a certain week will be assigned to the corresponding group.
Randomization Unit customer week level
Was the treatment clustered? No Yes
Planned Number of Clusters 2000 31
Planned Number of Observations 2000 4000
Sample size (or number of clusters) by treatment arms 500 per group 1000 per group
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