This handbook illustrates how the classroom teacher can make efficient use of tests, discusses the main purposes tests can serve, treats principal kinds of testing devices especially useful in language instruction, and includes a section on the interpretation of test results. Chapters include: (1) the importance and place of testing in the foreign language program, (2) planning the classroom test, (3) construction of test items, (4) preparing test items in French, German, Italian, Russian, and Spanish, and (5) test interpretation. A glossary of technical terms used in the handbook and an annotated bibliography on testing are included. (RL)