How to invest? Americans don't know some basics.

Americans lack the knowledge and confidence to invest, a new survey finds. Here are some resources to get you started in investing. 

Investment consultant Stephen Harausz, Jr., (left) and client service specialist Jenny Stevenson-Brestoff work in online broker TD Ameritrade's office in New York. In a recent survey, more than half of the current investors said low prices were most important in picking an online broker, but only 1 in 10 compared costs across accounts when making their choice.

Melanie Stetson Freeman/The Christian Science Monitor

April 25, 2013

Are you a knowledgeable investor? Try this quiz:

  1. What kind of account must be opened in order to trade stocks online? 
  2. What will the average household in pay total 401(k) fees over a lifetime? a) $10,000; b) $50,000; c) more than $150,000? 
  3. What's the most important factor for most Americans picking an online broker?

If you said: brokerage account, more than $150,000, and low prices, then congratulations. You're far ahead of most Americans, whose grasp of investing is rudimentary.

The three questions above caused the most problems for the 869 adults in a new investment literacy survey conducted by InvestingNerd. For example: 4 in 5 couldn’t identify a brokerage account; 9 in 10 severely underestimated how much a 401(k) would cost them (because beyond the stated fees are the trading costs, which also sap returns); and while over half of the current investors in the survey said low prices were most important to them in picking an online broker, only 1 in 10 actually took the time to compare costs across accounts when making their choice.

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No wonder so many Americans don’t invest! They lack the knowledge and confidence to feel they are doing a good job at it.

Over a quarter of non-investing respondents said they avoided investing altogether because of either uncertainty on how to get started (13.6 percent) or not wanting to risk losing money (12.8 percent). A full 39.3 percent said they did not invest because they do not have enough money to do so.

Investing is a key pillar of a strong personal finance foundation. These results all point to one thing – knowing how to get started, and what to look for once you are ready to invest – is half the battle.

So where should you look for help?  Here are three places where people can get started learning about basic investing concepts:

– Susan Lyon is a financial analyst with InvestingNerd (a division of NerdWallet), which seeks to empower investors by providing unbiased and transparent access to investing and financial markets information.