This document discusses performance-based assessment in language teaching. It defines performance-based assessment as representing a set of strategies to apply knowledge, skills, and work habits through task performance. When designing performance-based assessments, teachers should define their purpose and consider factors like what is being assessed, required skills and knowledge, performance level, and assessment criteria. Assessment criteria should reflect learning outcomes and be written clearly. Developing performance assessments involves identifying the task, listing important aspects, limiting criteria, expressing criteria as observable behaviors, and arranging criteria for student understanding. Performance assessments can engage students and provide insights into their understanding but also require more resources and subjective ratings.