Stuart D. Shaw has worked for Cambridge Assessment since January 2001 where he is particularly interested in demonstrating how Cambridge Assessment seeks to meet the demands of validity in its assessments. Before leading a research team in the area of mainstream international examinations, Stuart worked on a range of Cambridge English products with specific skill responsibilities for assessing writing. He has experience in the areas of researching and managing English second language writing assessment; developing, revising and introducing assessment procedures for new testing scenarios and di...