Step 1: Do you have a Gmail address?

You will use your Gmail address to:

  • Complete our consent form

  • Use the Diary Study App – which only works with Gmail accounts.

  • Receive emails about the study.

If you need a Gmail address, get one here for free.

Step 2: Sign a consent form

The deadline to sign the consent form is 11:30 pm EDT Saturday, October 12, 2019.

I'm Under 18

Your parent or legal guardian must sign the consent form, and the child must confirm their interest in participating. The child will not be able to participate (or get paid) without it. 

I'm 18 or Older

Adults, please sign the consent form below. You will not be able to participate (or get paid) without it. 

Step 3: Download the Paco app on your phone

For this study, we will be using a mobile app called Paco App. You can download it here: 

Note: Brilliant Experience does not own Paco. It is an Open Source program used by many different researchers.

Our study is by invitation only. We will email you when we publish the study on Sunday, October 13, 2019.

Step 4: Set up the Paco App

Note: The experiment you will be participating in will not be available until: Sunday, October 13, 2019.

If you have an iPhone:


If you have an Android phone (Samsung, LG, Google, etc.):



Note: The Paco app is not compatible with all phones. If you are unable to successfully use the Paco app to complete the daily diary requirements you will not be able to participate in the study.

For iPhone:

For Android:

If all else fails, contact the research team at Please include your name and Gmail address.