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Frequently Asked Questions

How do I request a username and password?

If you are interested in participating, please email or to request a username and password.

How do I save my answers?

Click "I'm Finished : Save". If you skipped or missed a question, the computer will prompt you to answer that question. Once the completed questionnaire has been saved, you cannot go back to it.

What if I am not in the Washington, D.C. metro area?

The study is conducted entirely online. Therefore, you can participate regardless of your current location.

What does it cost to participate?

There is no cost to participate.

What is the compensation?

You will be compensated $25 after you have completed each visit plus any additional money you win during the task. You will only be compensated after you have completed the consent and all study procedures. Please note that your compensation may take up to 6 weeks to arrive by mail or direct deposit.