
US, being the four countries compared in this data set.  
</p>
</dd>
<dt>DomesticKnowledge.hs, DomesticKnowledge.sc, 
DomesticKnowledge.c</dt><dd>
<p>percent correct answers to calibrated questions
regarding knowledge of prominent items in domestic
news in a survey of residents of the four 
countries among college graduates (ending 
&quot;<code>.c</code>&quot;), some college (&quot;<code>.sc</code>&quot;) and
high school (&quot;<code>.hs</code>&quot;).  Source:  McChesney 
and Nichols (2010, chapter 1, cha