Q-Sort is a free online tool which allows users to setup studies which quantitatively evaluates participants qualitative understanding of complex subjects.
Participants complete a sort by clicking and dragging cards from a pile into a series of slots rating each statement on the card by how much they agree or disagree with each statement.
The front-end Q-Sort tool is built using Angular & NGRX for state management. The back-end and API layers run on on PHP and MySQL.