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What will convince people to get COVID-19 vaccines?

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The key to effective communication to promote people getting the COVID-19 vaccines may lie in behavioral economics and consumer behavior theory, experts say.

As the first doses of COVID-19 vaccines roll out, it is still unclear whether enough Americans will get the vaccine to allow the nation to return to normalcy.

Many believe a key part of the equation lies in how effective vaccine communication teams are at convincing the public to get vaccinated.

“The country has made an incredible investment in fast-tracking SARS-CoV-2 vaccines from conception to market, which would make it even more tragic if we fail to curtail the virus simply because Americans are hesitant to be vaccinated,” says Stacy Wood, professor of marketing, executive director of the Consumer Innovation Collaborative at North Carolina State Poole College of Management, and first author of a new paper in the New England Journal of Medicine.

A ‘daunting prospect’

Recent surveys indicate that the proportion of the US population willing to be vaccinated has fluctuated in recent months–from a high of 72% in May to 51% in September and increasing slightly to 60% in November.

Of those respondents who indicated that they probably or definitely would not get the vaccine, less than half said they might be open to vaccination once others start getting it and more information becomes available.

Since Anthony Fauci has said that at least 80% of the population will need to be vaccinated to get the country back to normalcy, Wood notes that this means it will be necessary to get 100% follow-through from those who are more likely to get the vaccine and 100% conversion of those who are unlikely now but willing to keep an open mind. That’s a daunting prospect.

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To address this challenge, Wood and coauthor Kevin Schulman of Stanford University drew on their expertise in behavioral economics and consumer research to develop 12 strategies that could, collectively, create an effective vaccine-promotion effort.

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Proposed strategies for vaccine communication

Use analogy: Many attitudes toward the current pandemic are responses to complex medical information. Analogies are short-cuts to conceptual understanding. Saying “the war against COVID” is a term rich in meaning–coming together, making sacrifices, doing tough things, and emerging on the other side with new improvements and inventions in hand. Or one can explain that mRNA vaccines are not weak doses of the virus, but instead are “instruction manuals” that teach the immune system how to defend itself.

Increase observability: Studies have shown consumers‘ ability to observe others’ choices can increase an innovation’s rate of adoption. Distributing tokens, such as Livestrong-style bracelets or stickers, or digital badges, such as social media profile frames, may prove effective in increasing consumer buy-in. They can even be specific to different populations (for example, stickers that say “COVID-19 Frontline Hero—I’m Vaccinated!” or “America Honors Her Veterans—I’m Vaccinated!”)

Leverage natural scarcity: In consumer markets, scarcity often signals exclusivity and prompts greater interest or desirability. Communicators should frame early access to vaccines as a mark of honor or respect for people we want to protect, such as the elderly, teachers, or essential workers. Leveraging scarcity, especially as the vaccine is slowly rolled out, may help to counteract many individuals’ natural hesitancy to “go first.”

Promote compromise options: Consider coffee shops that offer three serving sizes and typically sell more of the middle option. This decision rule-of-thumb is based on choice preferences for “compromise” or middle options. When it comes to the vaccine, communicators should not make vaccination seem like an either-or decision, but rather should frame it as three options where vaccination is in the middle.

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For instance, options could include allowing people to get the shot now, signing up for a later date, or not getting it at all. Or all three options could include the vaccine—such as get the shot now and donate plasma, simply get the shot now, or get the shot later. The key is to avoid depicting vaccination as the most extreme action in a range of choices.

Source: NC State

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