It takes two years to develop an IELTS test. This extensive process includes commissioning test materials, measuring them against quality standards, rigorous editing and trialling the test tasks.
Material is commissioned from experts in different English-speaking countries to provide a test that is internationally relevant and that reflects real-life situations around the world.
IELTS uses qualitative and quantitative statistical data to ensure that the new test material tests to the same level of difficulty every time.
IELTS continues to take an innovative approach to test design and development while maintaining its wealth of proven knowledge and experience from the past two decades.