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STATISTICS-FOR-BUSINESS5 MIN READ

Endcap Reset: From Before-After To Comparison

Explain why a single before/after result is weak causal evidence and how comparison design improves the claim.

The pilot looked successful. What changed when the team asked for causal evidence? A clean retail aisle with a freshly arranged product endcap and a category manager pointing to a tablet, bright grocery or pharmacy setting, colorful products without visible branding, open space above shelves for overlays, realistic photo style, no text, words, letters, numerals, logos. A pilot store endcap reset is being celebrated because sales rose after the layout change, with no comparison store visible. Before: one pilot store, pre vs post. https://oylytksvdaqzqcpcfhxp.supabase.co/storage/v1/object/public/omie-images/nugget-scenes/dfca0ad6-bc16-4868-be75-f88082b1daad-9.png A modern retail planning room with a category manager comparing multiple store mockups and matched store…

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