Creating a system that can be used into the future is a really important consideration. ‘White space’ questions cannot continue to be used as there are limited ways to ask these types of questions. SJTs allow for a range of scenarios to be presented and a vast amount of questions can be created.

The SJT can be refreshed every year with new items to help increase the longevity of the test and in order to ensure the SJT remains valid, ongoing work with take place – for example, studies which assess whether performance on the test is related to future performance as a doctor.