The document discusses methods for assessing different language skills: listening, speaking, writing, and reading. It provides details on: - How listening comprehension is an inferential process and spoken language differs from written language. - The three components of a speaking test: a task, rating scale, and rater, and types of rating scales. - Requirements for a valid writing assessment, including having students write, using a rubric, and multiple judges. - Factors to consider when assessing reading like testing multiple abilities and using authentic texts. - Teachers should use various tasks to assess different skills and ensure reliability through using multiple texts, raters, and testing occasions.