A lot of investment sites also have these kinds of rough tests to get an idea of your risk tolerance so they can suggest advice accordingly, although they aren’t necessarily perfect. This link seems to explain some of the issues that come up: http://www.businessweek.com/magazine/content/09_32/b4142059711173.htm
As a side note, if you go to your bank and ask them about investing your money, they will probably make you take one of these tests, and then suggest investments that match your profile (not necessary the best choices, but it could give you an idea of what you can expect).
As a side note, if you go to your bank and ask them about investing your money, they will probably make you take one of these tests, and then suggest investments that match your profile (not necessary the best choices, but it could give you an idea of what you can expect).