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Evolution, Big Bang Polls Omitted From NSF Report
8 April 2010 4:16 pm
In an unusual last-minute edit that has drawn flak from the White House and science educators, a federal advisory committee omitted data on Americans' knowledge of evolution and the big bang from a key report. The data shows that Americans are far less likely than the rest of the world to accept that humans evolved from earlier species and that the universe began with a big bang.
They're not surprising findings, but the National Science Board, which oversees the National Science Foundation (NSF), says it chose to leave the section out of the 2010 edition of the biennial Science and Engineering Indicators because the survey questions used to measure knowledge of the two topics force respondents to choose between factual knowledge and religious beliefs.
"Discussing American science literacy without mentioning evolution is intellectual malpractice" that "downplays the controversy" over teaching evolution in schools, says Joshua Rosenau of the National Center for Science Education, a nonprofit that has fought to keep creationism out of the science classroom. The story appears in this week's issue of Science.
Board members say the decision to drop the text was driven by a desire for scientific accuracy. The survey questions that NSF has used for 25 years to measure knowledge of evolution and the big bang were "flawed indicators of scientific knowledge because responses conflated knowledge and beliefs," says Louis Lanzerotti, an astrophysicist at the New Jersey Institute of Technology who chairs NSB's Science and Engineering Indicators Committee.
The explanation doesn't appear to have soothed White House officials, who say that the edit—made after the White House had reviewed a draft—left them surprised and dismayed. "The Administration counts on the National Science Board to provide the fairest and most complete reporting of the facts they track," says Rick Weiss, a spokesperson and analyst at the White House Office of Science and Technology Policy.
The deleted text, obtained by ScienceInsider, does not differ radically from what has appeared in previous Indicators. The section, which was part of the unedited chapter on public attitudes toward science and technology, notes that 45% of Americans in 2008 answered true to the statement, "Human beings, as we know them today, developed from earlier species of animals." The figure is similar to previous years and much lower than in Japan (78%), Europe (70%), China (69%), and South Korea (64%). The same gap exists for the response to a second statement, "The universe began with a big explosion," with which only 33% of Americans agreed.
The board member who took the lead in removing the text was John Bruer, a philosopher who heads the St. Louis, Missouri-based James S. McDonnell Foundation. He told Science that his reservations about the two survey questions dated back to 2007, when he was the lead reviewer for the same chapter in the 2008 Indicators. He calls the survey questions "very blunt instruments not designed to capture public understanding" of the two topics.
"I think that is a nonsensical response" that reflects "the religious right's point of view," says Jon Miller, a science literacy researcher at Michigan State University in East Lansing who authored the survey 3 decades ago and conducted it for NSF until 2001. "Evolution and the big bang are not a matter of opinion. If a person says that the earth really is at the center of the universe, even if scientists think it is not, how in the world would you call that person scientifically literate? Part of being literate is to both understand and accept scientific constructs."
When Science asked Bruer if individuals who did not accept evolution or the big bang to be true could be described as scientifically literate, he said: "There are many biologists and philosophers of science who are highly scientifically literate who question certain aspects of the theory of evolution," adding that such questioning has led to improved understanding of evolutionary theory. When asked if he expected those academics to answer "false" to the statement about humans having evolved from earlier species, Bruer said: "On that particular point, no."
Lanzerotti told Science that even though the board had been aware of concerns about the two questions since before the 2008 survey was conducted, officials had not had a chance to alter the questions because the volume of work that goes into producing the Indicators is "vast," unlike "writing a 2000-word news article." However, both Lanzerotti and Lynda Carlson, director of NSF's statistical office that manages the survey and produces Indicators, say that it is time to take a fresh look at the survey. Last week, less than 48 hours after his interview with Science, Lanzerotti asked the head of NSF's Social, Behavioral and Economic Sciences directorate to conduct a "thorough examination" of the questions through "workshops with experts."
Miller, the scientific literacy researcher, believes that removing the entire section was a clumsy attempt to hide a national embarrassment. "Nobody likes our infant death rate," he says by way of comparison, "but it doesn't go away if you quit talking about it."