This document outlines the steps to design an effective test. It discusses that tests should be valid in measuring the skills and content taught, reliable in producing consistent results, and practical to develop without excessive time or resources. The planning stage involves specifying the test's use and ensuring authentic tasks. Tests should sample across language skills and content areas. The development stage includes compiling materials, selecting appropriate question formats and clear instructions, setting scoring criteria, and analyzing and revising based on results to improve teaching.