Offering smaller portions is one way of encouraging people to eat less. But while a single, smaller portion does lead to less consumption, having multiple smaller portions on offer can encourage some people - notably the diet-conscious - to eat more.
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How marketers condition us to buy more junk food
Fast food giant McDonald’s has been under a cloud in recent years as its US customers turn to alternatives. In this “Fast food reinvented” series we explore what the sector is doing to keep customers hooked and sales rising.
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