Once you have imported your references into Covidence you're ready to start screening.
To screen by title and abstract click 'Continue' under title and abstract screening, from your Review Summary page. Make your decision by voting on the Yes, Maybe or No buttons for each reference.
By default, a new review within Covidence is set up in dual screening mode (more information here), so that each citation requires two votes in order to move forward in your review.
These votes must be cast by a different two people each time. All voting is blinded, meaning your colleagues will be unable to see your votes until they've cast their own, and vice versa.
If you are the first person casting a vote on a reference, then the citation will move to your 'Awaiting other reviewer' list.
If you are the second person casting a vote on a reference, then it will move forward. Where the reference is moved forward to depends on its previous votes; please see the article and flowchart here for more details.