As the experiment owner, you can decide to whom of your teammates to grant editing permissions. 

When creating an experiment, you become the owner, by default only you, as the owner, and admin members can edit it.
The members that have viewing permissions to the project  can view/duplicate and write comments in the discussion section of the experiment, but not edit it, giving them the following message on the top of the screen:

Under the experiment name you can see who is the owner and names of members that can edit this page:

How to set experiment editing permissions:

  1. On an experiment page --> Go to the 'More' menu  -->choose 'Editable by...'

2. Choose from the list of members to who grant editing permissions.
The members list are retrieve from the one who have access to project to which that experiment belongs 

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