Kernel App User Guide (for study participants)

As a participant taking part in research conducted using Kernel devices, you must create a user account with Kernel. Once you have a Kernel account, you can use the Kernel App to:

• Join studies
• Complete surveys
• Locate your Participant ID
• Customize your user profile

Participants access their Kernel accounts using the Kernel App (on iOS or Android).

To download and set up the Kernel App:

1. Go to the iOS App Store or Google Play store.
2. Search for "Kernel App."
3. Locate the app with the icon shown above and tap GET on iOS or Install on Android to install the app on your device.
4. Tap Sign Up.
5. Enter your email and tap Sign Up.

   An email is sent containing a unique one-time code.

6. Check your email for a confirmation code.
7. Return to the Kernel App, enter the confirmation code and tap Confirm.
8. Carefully read the Kernel Privacy Policy and tap Accept.
   Your account is created and you are logged in.

To join your first study:

In order to join a study, you must be invited by one of the researchers. The invitation will include a unique, time-sensitive alphanumeric code. 

1. Open the Kernel App and sign in.
2. Tap Join a Study.
3. Enter the invite code.
   
   
   

   To avoid any mistyping issues, copy and paste the code directly from the message from the study researcher.
4. Tap Join.

To join a new study (if you've already joined one):

1. Open the Kernel App and sign in.
2. Tap the Join Study button in the upper right.
   The Join a Study window opens.
3. Tap Join a Study.
4. Enter the invite code. 
5. Tap Join,

By accepting an invitation code, you are granting Kernel and the issuing organization permission to view and analyze your data. For details, please refer to agreement you accepted when creating your Kernel account.

To complete a survey:

1. Open the Kernel App and sign in. 
2. If it's not showing, tap the Studies button at the bottom left.
   You will see a list of studies.
3. Tap the study for which you want to complete the survey.
   A list of surveys appears.
4. Tap the survey.
5. Complete the questions.
6. When you are done, tap Submit Survey.

To customize your profile:

1. In the Kernel App, tap the Profile icon on the lower right.
   The Profile screen opens.
2. Optionally enter a name, birthday and gender.

To locate your Participant ID:

There may be an occasion when a researcher requests that you identify the participant ID assigned to you. To locate your Participant ID, follow the instructions below.

1. In the Kernel App, navigate to the Studies list. (This will usually be the first page you see upon launching the app.)
2. Tap the name of the relevant study.
   The study window appears.
3. At the top of the study page, tap the Info button.

   

   A pop-up window appears displaying the Study name, Organization, and Participant ID.

4. Tap anywhere outside the window to dismiss it.
   

To login to the Kernel App:

1. Open the Kernel App on your iOS or Android device.
2. Tap Log in.
   
3. Enter your email address, and tap Log In.
   An email is sent containing a unique one-time code. 
4. Switch to your email program and locate the email from Kernel Support.
   
5. Copy the unique code in the email to the clipboard.
6. Switch back to the Kernel App and paste the code from the clipboard into the Confirm code field.
   
7. Tap Confirm.
   You are now logged in.