Achievement tests- are similar to progress tests in that they measure how much the student has learned during the course of instruction. They differ from Progress tests because they are not built around one set of teaching materials. They are designed to be used with students from a variety of schools and programs Proficiency tests- aim to determine whether the language ability corresponds to specific requirements. Good tests instruct students and enable them to improve their proficiency. These tests help them manage instruction and study practices.
Good tests define the curriculum as a whole.
These are sometimes developed around visual stimuli. These are not as objective as other items. You do not always know how the student will respond.