If you have read the general instructions, you can work through The DISCERN quality criteria using the following questionnaire or you can download a copy to use offline.
Every question has guidance to help you answer the question. You can read the guidance for each question separately by clicking on the linked numbers at the top of the the guidance section.
You can work through the questions in any order and it's also possible to go back and change your answers. Click on the "Next question" button to record your answer.
You can also download all the guidance as a pdf document to print or read offline.