Which psychological technique explains why milk and other essential items are typically placed at the back of grocery stores?

The layout of grocery stores and supermarkets is far from random. Food retailers use sophisticated psychological techniques to influence what and how much shoppers purchase. From strategic product placement to sensory marketing, understanding these tactics can help consumers make more informed choices. Test your knowledge about how the food retail industry designs shopping experiences to impact your purchasing decisions!

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The Gruen Transfer - forcing customers to navigate through the entire store, increasing exposure to other products
The Diderot Effect - creating a sense of complementary needs by grouping related items together
The Von Restorff Effect - placing high-contrast items away from each other to enhance memorability
The IKEA Effect - increasing perceived value by making customers work harder to obtain basic products