This document discusses principles and strategies of assessment, including the differences between internal and external assessment. It provides characteristics that effective assessments should have such as being valid, reliable, and purposeful. The key principles of assessment are that it should be valid, reliable, explicit, inclusive, manageable, and include both formative and summative components. Strategies for assessment include reflective activities, quizzes, questioning techniques, and varied pencil-paper assessments. Internal assessment is conducted by teachers through observation and tests, while external assessment is done by an outside agency.