Measured how smell made people more aware of their surroundings (specifically returning dropped items).

| Category | Words | | :--- | :--- | | | odour, scent, aroma, fragrance, olfactory, nasal, pheromone | | Brain | limbic system, hippocampus, amygdala, subconscious, implicit | | Persuasion | influence, behaviour modification, nudge, consumer loyalty, impulse buying | | Methods | ambient scent, congruent scent (matching product), incongruent scent (mismatch) |

: Be wary of absolute words like "always" or "only." The text notes that smell can influence behavior, but it rarely claims smell is the only factor.

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