The document discusses key issues around language assessment and quality assurance. It provides information on the relationship between learning and assessment, with assessment described as the "engine which drives student learning." Assessment is said to have an overwhelming influence on what, how, and how much students study. The document also outlines some core purposes of language assessment, including diagnostic, self-assessment, needs analysis, progress, achievement, and proficiency. Common types of language assessment are defined, including portfolios, tasks, surveys, quizzes, progress assessments, achievement assessments, and proficiency assessments. An assessment framework is described as asking what is being assessed, why it is being assessed, and how it is being assessed. Course designers, teachers, and learn