The document discusses different types of achievement tests, including their purpose, characteristics, and construction. It defines achievement tests as assessments of developed knowledge or skills that measure a student's current proficiency. The key types discussed are teacher-made tests, which are constructed by teachers, and standardized tests, which are developed by testing experts. The document outlines the steps to construct valid and reliable achievement tests, including planning, developing a design and blueprint, writing questions, and analyzing items. It also compares the strengths and weaknesses of different question formats like objective, short answer, and essay.