Which psychological principle explains why luxury products often use heavier packaging materials, even when lighter alternatives would be more practical and cost-effective?

Packaging design is more than just making products look attractive—it's a strategic science that influences consumer behavior and purchasing decisions. Effective packaging communicates brand values, creates emotional connections, and even affects how we perceive product quality. This trivia question explores one of the fascinating psychological principles that packaging designers use to capture attention and drive sales in competitive retail environments.

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The Weight-Quality Heuristic (consumers subconsciously associate physical weight with higher value and quality)
The Veblen Effect (consumers desire goods because they're expensive, not despite their cost)
The Scarcity Principle (items perceived as rare or limited seem more valuable)
The Aesthetic-Usability Effect (visually appealing designs are perceived as easier to use)