40% of gun sales came without a background check? That’s a LIE

And I’m not the one calling it a lie, in a surprising moment of honesty, The Washington Post is right.

 

The Facts

The White House says the figure comes from a 1997 Institute of Justice report, written by Philip Cook of Duke University and Jens Ludwig of the University of Chicago. This study is based on data collected from a survey in 1994, just the Brady law requirements for background checks was coming into effect. (In fact, the questions concerned purchases in 1993 and 1994, while Brady law went into effect in early 1994.) In other words, this is a really old figure.

The data is available for researchers to explore at the Interuniversity consortium on political and social research (ICPSR) at the University of Michigan. Digging deeper, we find that the survey sample was just 251 people. (The survey was done by telephone, using a random-digit-dial method, with a response rate of 50 percent.) With this sample size, the 95 percent confidence interval will be plus or minus 6 percentage points.

Moreover, when asked if he or she bought from a licensed firearms dealer, the possible answers included “probably was/think so” and “probably not,” leaving open the possibility the purchaser was mistaken. (The “probably not” answers were counted as “no.”)

When all of the “yes” and “probably was” answers were added together, that left 35.7 percent of respondents indicating they did not receive the gun from a licensed firearms dealer. Rounding up gets you to 40 percent, though as we noted the survey sample is so small it could also be rounded down to 30 percent.

Moreover, when gifts, inheritances and prizes are added in, then the number shrinks to 26.4 percent. (The survey showed that nearly 23.8 percent of the people surveyed obtained their gun either as a gift or inherited it, and about half of them believed a licensed firearms dealer was the source.)

Source: http://www.washingtonpost.com/blogs/fact-checker/post/the-stale-claim-that-40-percent-of-gun-sales-lack-background-checks/2013/01/20/e42ec050-629a-11e2-b05a-605528f6b712_blog.html

 

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