When it comes to understanding basic concepts about investing, Americans come up woefully short. Consider that while 67% of respondents to a 2009 survey rated their own overall financial knowledge as “high,” only 53% answered this question correctly: “True or false: Buying a single company’s stock usually provides a safer return than a stock mutual fund.”

http://www.marketwatch.com/story/americans-dont-understand-investing-basics-2012-09-04