Which consumer psychology tactic is NOT commonly used by grocery stores to influence food purchasing decisions?

Test your knowledge about the hidden psychological tactics used in grocery stores to influence consumer purchasing decisions! Many food retailers strategically design their store layouts and product placements based on extensive research into consumer behavior. From the positioning of essential items to the use of colors and scents, grocery stores are carefully engineered shopping environments. How much do you know about these subtle but powerful marketing strategies?

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Placing staple items like milk and bread at the back of the store to force customers to walk through more aisles
Using red price tags to create a sense of urgency and special deals
Playing fast-tempo music during peak hours to discourage lingering and increase customer turnover
Arranging all aisles to flow clockwise since most shoppers prefer navigating stores in a counter-clockwise direction