09 / Scope and limitations
Evidence first. Claims only after measurement.
This brief is a research-based concept, not a restaurant client result, sales forecast, or guarantee that digital menus increase order value.
Ingredient, allergen, dietary, nutrition, and availability information must be verified and approved by the restaurant under its applicable procedures. Software should not infer safety information.
Menu design evidence is context-dependent. Research reports different effect sizes for physiological measures, attitudes, intentions, and purchase behaviour.
Guest analytics and tracking must follow applicable privacy, cookie, and consent requirements. A QR scan or page view should not be treated as proof that a guest read or selected a dish.