What psychological principle do successful dessert brands like Häagen-Dazs and Ben & Jerry's primarily leverage to maintain customer loyalty?

The dessert market is fiercely competitive, with companies constantly battling for customer loyalty. Understanding what drives brand loyalty in food preferences is crucial for any culinary business. This poll tests your knowledge about a fascinating psychological phenomenon that major dessert brands leverage to maintain their customer base. Do you know what makes customers repeatedly choose the same ice cream, cookie, or cake brand even when alternatives are available?

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The mere-exposure effect - customers prefer what they're familiar with, so consistent packaging and flavor profiles build loyalty
The hedonic adaptation prevention model - introducing limited-edition flavors prevents customers from growing bored with the brand
The scarcity principle - creating the perception that products are in limited supply to increase perceived value and desire
The anchoring effect - setting premium prices to position the brand as high-quality in consumers' minds