Transparency key to GM labelling, study finds

Posted: 27 January 2016 | Victoria White | No comments yet

A study has found consumers are more supportive of GM labelling decisions when they believe the company considered the public’s input in the process…

There is a public debate in the US about whether food companies should list GM ingredients on their labels. Now, a study from Cornell University may be able to help as it found consumers are more supportive of GM labelling decisions when they believe the company considered the public’s input in the process.


The study bolsters longstanding research into the impact of perceived fairness and transparency surrounding any decision-making process, known as procedural justice. For the first time, Cornell researchers investigated how the theory relates to the contentious issue of GM labelling, with implications for how companies reach their decisions and communicate them to the public.

For the study, researchers asked 450 participants to read one of four fictitious news articles detailing an agro-food company’s decision about labelling the GM content of their food products. The mock articles varied on four key points: the decision whether or not to label the presence of ingredients grown from GM seeds, and whether or not the company considered the public’s input as part of their deliberations. Participants then gave their reactions on a six-point scale regarding the legitimacy of the process and whether they support the company’s decision.

Researchers found a significantly more positive reaction to a decision – regardless of whether it was to label or not – when people believed the company engaged with the public and used their input. Even when companies made the generally unpopular choice not to label, the study showed people considered the decision more legitimate if they believed the company listened to their customers rather than made the decision on their own.

“People care about a process, even when they don’t get the decision that they want,” said Katherine McComas, professor and chair of the Department of Communication in the College of Agriculture and Life Sciences. “Having a fairer process can lead to a more acceptable or perceived legitimate outcome, and can improve discourse even around polarized decisions,” she said.

While the study found people reacted more positively to a decision when they believed the company engaged the public, any decision that led to labelling was deemed more favourable compared to either non-labelling process. That pro-labelling attitude is in line with other research and opinion polls showing a preference for GM ingredients to be displayed on packaging, she said.

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