Lawrence went on to point out that the "4 percent" statistic originated in a 2003 report by Christian statistician George Barna, which is based on a very narrow definition of what defines an "evangelical" or "Bible-believing Christian." A Barna press release issued in December 2003 announced a study that "showed only 4% of adults have a biblical worldview as the basis of their decision-making." Lawrence took issue with Barna's attempt to measure the number of teens who apply "biblical principles" to "every decision" they make: