Page Comparison

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Navigate to the Study Arms tab of under the Manage Study drop-down. 

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Part I: Add a New Arm

1. Click '+ New Arm' and name the arm. 
   1. Example: Lottery Incentive Arm 
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2. Participants: Indicate how many participants of the total number of participants should go into this arm.
3. Intervention Length
   
   1. Choose your intervention length on the arm settings, this is important because if you have repeating events, day of the week events or event triggers by date, the intervention length will dictate if these events occur or not.
   
   Auto-start?
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4. Start Type: Indicate if you would like the participant to be automatically started by WTH once they have completed all of the enrollment steps, on a scheduled date, or if WTH should wait for the project team to manually start them from the profile or Manage Participants view. See Starting Your Participants for detailed descriptions on the 3 start options. 
   
   
5. Financial Incentives: Check the box if...

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• Medication Reminders: Reminders will show up on the participant dashboard, at which time they can specify when and how they would like to receive the reminder.  It can also be edited from the backend by an RC in the participant profile.  This allows participants to have different preferences for notifications vs. medication reminders. 
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      This is an outdated feature that is no longer supported.  Want to send medication reminders at participant specific times? We have something even better! See Per Rescheduling Participant SchedulingEvents for help! 
    
    
• Medication Names: Used to track relevant medications that your participants are taking for a medication adherence study.  By choosing this and selecting the number of medications, a tab will appears appear on each participant's profile
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Other Options:

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6. Subdivide this arm?: Click this button if the arm has cohorts (teams) 

1. Indicate how many participants can be added to a team.  Typically teams range from 2-4 participants. 

7. Click the 'Add' button to add your new arm. 

Part II: Duplicate an Arm 

• Are the arms of your project similar? Do they have the same/similar messages, surveys, device uploads, etc? If so, reduce your build time by duplicating the arm! 
  • From there you can update, remove, or add the encounters events to customize the arm for it's its specific intervention. 

1. To copy the first arm, click the 'Duplicate' button. 
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2.  Rename the duplicated arm and click the 'Duplicate' button. 
   1. Example: Rename Lottery Arm 1 (copy) to Arm 2 
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3. You should now see the original arm (Arm 1) and the exact copy (Arm 2).  The arms will be identical. 
   
   
4. Now you are ready to make changes to Arm 2 to make it different than Arm 1 based on the project protocol design. 
   1. Remember to:
      1. Remove encounters events that shouldn't be in Arm 2
      2. Add encounters events that weren't in Arm 1 and should be in Arm 2 
      3. Swap out surveys, if needed
      4. Update feedback logic on encountersevents, if needed 
         1. e.g. you don't want to mention a payment to a participant in the control arm! 
            
            
5. Yay! Think of how much time that you just saved!