An Accepted reference is given a Rank based on how closely it matches the Research Requirements as stated in the Study Description. This Rank is provided on your Activity Dashboard.
Submissions are given a Rank of 2, 3, 4, or 5, with 5 being the highest. A submission ranked 3, 4, or 5 is considered "In-Scope." These Ranks can help you understand where you should focus your search and how likely your reference will receive a Reward.
For more information, please review the Researcher Manual available in your Dashboard.