This report describes a project to revise the rating scales used for the writing and speaking components of the Aptis test, which is a computer-based English proficiency test system developed by the British Council and launched in 2012. Aptis tests the four skills (reading, listening, speaking and writing) and was designed to provide cost-effective, efficient, and flexible testing options.

For information on the Aptis test system, see O’Sullivan and Dunlea (2015), which provides detailed descriptions of the test design, task specifications and scoring.