U.S. Problem-Solving Tests Below International Average by Arkansas Business Staff Posted 11/4/2013 12:00 am Adults in the United States ranked below the international average in recent tests of literacy, numeracy and technological problem-solving, a government report released last month said. Want the Full Article? Get Unlimited Archive Access for $19.95 per Year Readers must pay to access stories older than 20 days. Purchase Now Already have archive access? Login to view this article.