Of What Value Are Public Opinion Polls?

By Vatz, Richard E. | USA TODAY, May 2006 | Go to article overview
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Of What Value Are Public Opinion Polls?


Vatz, Richard E., USA TODAY


THERE IS A SPECTER haunting America--it is the never-ending proliferation of public opinion polls. From the contracts that polling organizations have with major and minor news organizations to candidates' and others' private polling, the practice simply is too much with us. It literally is impossible to go a day without hearing or reading of a new poll finding regarding what Americans--or, with increasing pretension, the world--think of some idea or position.

More specific, these polls often bring audiences unimportant, alleged opinions regarding the status of political elections as well as general positive or negative predilections regarding an ungodly variety of topics. To choose some representatively offending polls is akin to selecting specific grains of sand in the Sahara, but let us look at a few examples.

In one prototypical polling report, it was explained in an Associated Press article that "Americans are far more likely than the Japanese to expect another world war in their lifetime, according to AP-Kyodo polling 60 years after World War II ended. Most people in both countries believe the first use of a nuclear weapon is never justified."

Even ignoring cultural and language differences--an overly large concession, incidentally--can one reasonably infer from this poll that American and Japanese people are walking around with such opinions'? If they are, what possible significance--or difference--would it have?

First, we should look at the questions of whether it indeed is true that "Americans are far more likely than the Japanese to expect another world war in their lifetime" and that "Most people in both countries believe the first use of a nuclear weapon is never justified."

Perhaps the first reaction should be: So what? Indeed, what are the consequences of a larger percentage of Americans expecting a world war, even assuming there is a common definition of what "world war" or "expecting" constitute. Are we not in a world war now? What would have to happen to transform the war against terrorism into a "world war" when the current conflict includes participants in dozens of countries?

The poll claims that "Six in 10 Americans said they think such a war is likely, while only one-third of the Japanese said so, according to polling done in both countries for the Associated Press and Kyodo, the Japanese news service."

Periodically. the American public is asked how likely it believes the imminence of terror attacks to be. What is the importance of this finding, even, again, assuming that polls accurately can measure this anticipation?

Then there is "the margin of sampling error," which gives the impression of precision in polling results. In opinion polls, this margin cannot be verified by any means, but when people are told that pollsters "know" that the "real" polling numbers and percentages are ascertainable, they think that polling must elicit a true picture of public opinion.

The poll in question also asks whether the use of atomic weapons 60 years ago was avoidable. Avoidable at what cost? What does "avoidable" mean? How many American lives were saved by the bombing of Hiroshima and Nagasaki? What is the ability of the average respondent to assess a cost-benefit ratio of a war waged 60 years ago? The article points out that "Two-thirds of Americans say the use of atomic bombs was unavoidable. Only 20 percent of Japanese felt that way and three-fourths said it was not necessary."

Are the findings surprising or informative? Of what value are they'? Are the respondents informed regarding the issues they are polled on?

In the never-ending onslaught of polls into the consciousness of Americans, we learn that there allegedly is significant opinion-holding by Americans on complex issues; yet, no one has taken the time to discover the extent of the respondents' ongoing concern about issues before being asked, or their knowledge base.

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