There are three sets of permissions for a population: Participant Workflows, Participants, and Submission Data. These permissions can be combined with site and campaign access permissions when assigning permissions to users (see Assign Users) to control what users in the population can see and do based on their job description or involvement in projects being supported by the platform.
The Roles tab on the Security page within the Configure area displays all existing roles configured for the population, provides the ability to edit those roles, and create new roles. When a population is first created there are three roles created by default: Analyst, Coordinator, and Power User. To view the permissions associated to any existing role: