THIS WILL SERVE AS A GUIDE TO THOSE WHO UNDERTAKE THE ASSIGNMENT OF WRITING AN OCCUPATIONAL COMPETENCY TEST IN A SPECIALIZED FIELD, WORKING IN COLLABORATION WITH A TEACHER EDUCATOR, FACULTY ADVISOR, OR OTHER QUALIFIED STAFF MEMBER. INFORMATION IS GIVEN ON THE PURPOSE AND NATURE OF OCCUPATIONAL COMPETENCY TESTS, TEST DEVELOPMENT PROCEDURES, TEST CONSTRUCTION, TEST ADMINISTRATION PROCEDURES, AND EVALUATION OF TEST RESULTS. A BIBLIOGRAPHY OF RELATED READINGS WHICH DATE FROM 1935 TO 1960 IS INCLUDED. THE APPENDIX CONTAINS OBJECTIVES IN SELECTING SUGGESTED PERFORMANCE JOBS, SUGGESTIONS AND EXAMPLES FOR THE TEST WRITER, INSTRUCTIONS FOR EXAMINERS, RATING SHEETS, AND SAMPLES OF TEST TYPES. (EM)