What Are You Thinking?
April 21st, 2009
(April 21) — I would like to know what Americans think about plant biotechnology. What do the Europeans really think about GM products? Or the Chinese? Or anybody, for that matter. But I don’t know how to find out.
Perhaps I should conduct a public opinion poll, you suggest. That might be a good idea, but what questions should I ask? Should I ask people if they approve of the use of genetically modified organisms to grow our food?
Or should I ask if they believe transgenic are safe to eat? Or should I ask them if they are comfortable getting their food from plants that have been made immune to crop damaging insects and require farmers to use less? How should I word my questions?
Remember, we are polling a population where more than half of the respondents to one survey said that normal tomatoes do not have DNA. It is the same population where about half of the respondents in another poll were uncertain whether Africa was a country or a continent.
Asking people anything about genetically modified plants will result in answers that are more a reflection of how the question was asked and less about personal knowledge. Americans know so little about science that they know virtually nothing about current plant biotechnology.
But even if I did conduct a survey, would its results accurately reflect public opinion? I doubt it. Opinion polls tend to reflect the bias of the poll taker as much as public opinion. If I could average ten opinion polls about biotechnology, I might have a better picture of what people are thinking.
But there are not ten concurrent opinion polls on biotechnology. The only topic that I know gets so much attention is people’s opinion about the President and Congress. Www.realclearpolitics.com tracks ten opinion polls on politics. These results tell us as much about polling as about the President.
Results of these ten polls are summarized by three percentages: Approve, Disapprove and Spread (approve minus disapprove). Regardless how I feel about our President’s performance, I can find a poll to supports me.
As I write this, these ten Real Clear Politics (RCP) polls give the President a +30.4 spread, i.e., 30 percent more people approve than disapprove. If I am an “Approver,” I would cite the CBS News/New York Times poll which gives him a +42 spread. On the other hand, if I am a “Disapprover,” I would cite the Rasmussen Reports poll which gives Mr. Obama only a +10 spread.
Or should I single out the Cook/RT Strategies and Ipsos/McClatchy polls - they both report a +30 spread? My point is this: polling data is not as definitive as it is cracked up to be. Mentioning that the poll has a margin of error plus or minus so many percents sounds authoritarian, it is an irrellevant sideshow.
So, if I want to know exactly how Americans feel about genetically modified crops, where can I find an accurate answer? I’m not sure we have an answer. On balance, I’d say most American know too little to know what they think. Europeans know even less.
No wonder the EU appears to be so opposed to plant biotechnology. If EU public polling would reflect more of what people know and focus less on fanciful opinions, the results would look entirely different. Beware of anyone bearing news based on public opinion polls.
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(March 4) Yesterday I had my day in court and I am glad I went. I had jury duty which meant I did not post any comments yesterday, so today a few reflections on being called to jury duty.
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(February 10) — This entire week I find myself hunched over my desk as I work to get the next issue of Seed Today ready for print.
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