Presented in this article are trends in the use of the language laboratory in the United States and an overview of relevant language laboratory research. A section on trends discusses language laboratory popularity, prospective technological innovations, scheduling, different types of installations, and the increasing desirability of having "library arrangements" with many listening stations. Another portion dealing with research describes experiments completed on (1) laboratory usefulness, (2) effective scheduling practices, (3) suitable equipment, (4) monitoring techniques, (5) "Dial-a-lesson" and telephone facilities, and (6) programed and computer-assisted instruction. Bibliographical notations and a list of useful expressions in both English and German precede an article summarization in German. For related documents see FL 001 353 and FL 001 380. (AF)