Field
Last Published
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Before
October 05, 2021 02:46 PM
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After
November 01, 2021 09:53 AM
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Field
Planned Number of Clusters
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Before
we do not cluster
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After
we cluster on the individual level and plan to have 190 individuals per treatment group
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Planned Number of Observations
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Before
100 individuals per treatment group
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After
190 individuals/clusters per treatment group
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Sample size (or number of clusters) by treatment arms
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Before
100 individuals per treatment group
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After
190 individuals/clusters per treatment group
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Power calculation: Minimum Detectable Effect Size for Main Outcomes
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Before
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After
On average over all discounts, the share of subjects choosing the item with the shorter expiration date is 11% (=MDES) higher in the treatment group than in the control group, amounting to a relative difference of 22%.
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