A University of Illinois researcher and her team designed an
experiment to provide insight on some of the variables that may
influence opinions about organic foods.
“Past research has often asked how much someone is willing to
pay for an organic product, but has rarely considered the
context in which that purchase takes place,” says U of I food
economist Brenna Ellison. “In this study, we look at how the
organic label interacts with the product type as well as the
retail purchase context.”
Ellison and her team conducted an experiment with 605 people who
evaluated a food product’s expected taste, nutrition, safety,
and likelihood of purchase. The products were strawberries and
chocolate sandwich cookies sold by a fictitious brand called
Cam’s. In the experiment, the products were either organic or
non-organic and sold in one of two supercenters, Walmart or
Target. Each participant only evaluated one of the eight
potential combinations.
“We chose strawberries and cookies because they represent a
‘virtue’ and a ‘vice’ product, respectively, and both are
currently available in the marketplace in organic and
non-organic forms,” Ellison says. “We chose Target and Walmart
because the two stores have similar prices but very different
brand images. Target has positioned itself in the marketplace as
a store that emphasizes style, design, and aspiration. Walmart,
conversely, promotes a low price image.”
Results of the study showed that context indeed matters. While
organic products were generally rated more highly than
non-organic, the researchers found an interesting interaction
between the organic label and product type.
“Organic strawberries had higher expected taste ratings than
non-organic strawberries, but cookie taste ratings did not
differ,” Ellison says. “However, the opposite was true with
nutrition ratings. Organic cookies were rated as more nutritious
– almost twice as healthy – as non-organic cookies, but no
difference was observed for strawberry ratings.
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“These results suggest that the purchase of organic virtue foods
like strawberries may be based more on taste considerations, but
organic vice foods like cookies may be purchased based on nutrition
considerations,” Ellison says.
Another finding from the research was that where the food item was
purchased mattered. The researchers concluded that retailers like
Target may be better outlets for promoting organic vice products
while retailers like Walmart may only be good outlets for promoting
organic virtue products.
The study also revealed that participants seemed misinformed about
organic standards.
“Even though products carrying the USDA Organic label must contain
at least 95 percent organic ingredients by definition, our
participants believed organic cookies only contained 62 percent
organic ingredients,” Ellison says. “This suggests more education
may be needed to ensure consumers understand what the organic label
means and that this definition does not change across products or
stores.”
“Putting the organic label in context: Examining the interactions
between the organic label, product type, and retail outlet” is
published in Food Quality and Preference. It was written by Illinois
researchers Brenna Ellison, Brittany Duff, and Tiffany Barnett White
and Ph.D. student Zongyuan Wang. The authors note that this research
did not receive funding support from any food retailer or
manufacturer.
[Debra Levey Larson, M.A., News &
Public Affairs, University of Illinois, College of Agricultural,
Consumer and Environmental Sciences]
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