COVID-19: Perception and Numeracy

COVID-19: Perception and Numeracy

Timothy Taylor 08/08/2020 6
COVID-19: Perception and Numeracy

Kekst CNC is a "communications strategy" firm that has been doing a series of public opinion polls about COVID-19.

Their "COVID-19 Opinion Tracker: Fourth Edition" report surveyed 1,000 adults in different countries, during the time period from July 10-15, 2020. The report includes questions about beliefs on how long the virus will last, how local and national government is performing, how business is performing, feelings about returning to work and wearing masks, and other topics. 

One result that caught my eye was that they asked people to estimate the number of people in their country who had contracted COVID-19 and the number who had died from it. Here are the results for the UK (blue) the US (yellow), Germany (pink), Sweden (green) and France (purple). 

The first question about the number of COVID cases is ambiguous. Kekst CNC points out that the estimates are far higher than the number of confirmed cases according to national health authorities: for example, public perception is 20 times as high as confirmed cases in the US, and 46 times as high as confirmed cases in Germany and France. The estimates of cases is probably high, but one might argue that testing has been limited, and the number of actual cases is likely to be well above the "confirmed" number. But there's less wiggle room and more exaggeration for the question about number of COVID deaths. Here the estimates are at least 100 times as high as the number of actual deaths in these five countries, with public opinion 225 times too  high in the US  and 300 times too high in Germany.

 COVID-19: Perception and Numeracy

When you point out that people are wildly wrong in their numerical estimates of cases and especially deaths from COVID-19, a common answer is something like "you are just trying to minimize the problem." Look, I understand that in this 21st-century, social-media world, there is a widespread view that if you aren't exaggerating, you aren't serious. I hope you will forgive me for being lousy at that form of "persuasion." (Also, if people estimated that half or two-thirds of the total population had already died, would that make them even more "serious"?)

My own belief is that this poll confirms that many people are innumerate about basic percentages. In the US, for example, saying that 9% of the existing population has already died of COVID-19 would imply roughly 29 million deaths so far. It would imply that one out of every eleven people in the country had already died from COVID-19 in mid-July. Given that in a big country, some places will inevitably have more severe outbreaks than others, there would need to be news stories where, say, half the people in certain neighbourhood or small towns had died of COVID-19. 

It's hard to get revved up about innumeracy. But if you have little feelings for what kinds of numbers are even plausible in a given situation, you are more likely to end up as sucker for a glib talker with a scenario to sell.  

A version of this article first appeared on Conversable Economist

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  • Robert Rice

    Coronavirus is mutating !

  • Josh King

    2020 can't get any worse

  • Chris P

    The pandemic can't possibly get worse

  • Adam Roster

    I am so tired. This year feels so long but I don’t remember any of it.

  • Oscar Martinez

    Now ima start digging my grave...

  • Ed Krasnodemski

    Coronavirus every few minutes: this isnt even my final form yet

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Timothy Taylor

Global Economy Expert

Timothy Taylor is an American economist. He is managing editor of the Journal of Economic Perspectives, a quarterly academic journal produced at Macalester College and published by the American Economic Association. Taylor received his Bachelor of Arts degree from Haverford College and a master's degree in economics from Stanford University. At Stanford, he was winner of the award for excellent teaching in a large class (more than 30 students) given by the Associated Students of Stanford University. At Minnesota, he was named a Distinguished Lecturer by the Department of Economics and voted Teacher of the Year by the master's degree students at the Hubert H. Humphrey Institute of Public Affairs. Taylor has been a guest speaker for groups of teachers of high school economics, visiting diplomats from eastern Europe, talk-radio shows, and community groups. From 1989 to 1997, Professor Taylor wrote an economics opinion column for the San Jose Mercury-News. He has published multiple lectures on economics through The Teaching Company. With Rudolph Penner and Isabel Sawhill, he is co-author of Updating America's Social Contract (2000), whose first chapter provided an early radical centrist perspective, "An Agenda for the Radical Middle". Taylor is also the author of The Instant Economist: Everything You Need to Know About How the Economy Works, published by the Penguin Group in 2012. The fourth edition of Taylor's Principles of Economics textbook was published by Textbook Media in 2017.

   

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