Using CAN (convenient, attractive, and normal) approach, provides a retail intervention matrix to help select healthy foods.

‘Candy-free checkout aisles and front-of-store fruit displays attract all categories of shoppers who are interested in healthy eating.’

Wansink sketches out a health predisposition pyramid - in essence, a hierarchy that places health-vigilant shoppers at the top and health-disinterested shoppers at the base, with so-called health-predisposed shoppers in the middle. He points out that different marketing interventions are more or less successful with each of these groups. 




For instance, research has shown that shoppers who are most interested in healthy eating are more interested than health-disinterested shoppers in recipe kiosks that might suggest ways to cook fish, whereas candy-free checkout aisles and front-of-store fruit displays attract all categories of shoppers.
Where, how, and when retailers can best influence shoppers are all areas that call for more research, Wansink points out, and at the same time, the studies that have been done, while providing valuable insights, form no cohesive, actionable plan for retailers.
Wansink advocates a comprehensive approach that focuses on making the selection of healthy foods convenient, attractive, and normal (CAN) and provides a retail intervention matrix that organizes key research findings into a sensible pattern that is easy to understand and practical to implement.
The intervention matrix was put to work in Norway by a large grocery chain seeking to reposition itself around environmentally sustainable fish. All 457 stores in the chain used the traditional marketing mix of altering the variety, packaging, advertising, and price promotions of fish.
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"This example shows one way research findings can be extrapolated, organized, and presented in a way that is compelling for managers who have little time or tolerance for ambiguity and nuance," says Wansink.
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