THE DEVELOPMENT AND EVALUATION OF THE MODERN LANGUAGE ASSOCIATION (MLA) FOREIGN LANGUAGE PROFICIENCY TESTS FOR TEACHERS AND ADVANCED STUDENTS ARE THE SUBJECTS OF THIS FINAL PROJECT REPORT. FOLLOWING AN ACCOUNT OF THE EVENTS THAT LED TO THE AWARDING OF A GOVERNMENT CONTRACT TO MLA TO DEVELOP NATIONALLY STANDARDIZED QUALIFICATION TESTS AND A DESCRIPTION OF THE LOGISTIC AND EVALUATION PROBLEMS INVOLVED IN DEVELOPING THESE TWO 31-TEST BATTERIES IN FRENCH, GERMAN, ITALIAN, RUSSIAN, AND SPANISH, THE REPORT APPRAISES, WITH SUPPORTING STATISTICAL DATA, THE HIGH LEVEL OF RELIABILITY AND STATISTICAL VALIDITY OF THESE TESTS IN THE COMPETENCY AREAS OF LISTENING COMPREHENSION, SPEAKING, READING, WRITING, APPLIED LINGUISTICS, CULTURE AND CIVILIZATION, AND PROFESSIONAL PREPARATION. A COMPARISON OF PRE-TEST AND POST-TEST NORMS FURNISHES THE GOVERNMENT AND THE PROFESSION WITH OBJECTIVE DATA FOR FUTURE TEST REVISIONS AND FOR SUPPORT AND ANALYSIS OF INSTITUTE PROGRAMS. FOUR APPENDIXES INCLUDE INFORMATION ABOUT MODERN FOREIGN LANGUAGE TEACHER QUALIFICATIONS, A DIRECTORY OF THE MEMBERS OF THE TEST CONSTRUCTION COMMITTEES, AND DATA JUSTIFYING TEST RELIABILITY AND THE INTERCORRELATIONS BETWEEN SKILLS. THIS ARTICLE IS A REPRINT FROM "PMLA," VOLUME 77, NUMBER 4, PART 2, SEPTEMBER 1962. (AB)