This learning module on understanding performance objectives, criterion-referenced measures, and performance guides is one of nine developed for use in training administrators, teachers, and prospective teachers in the utilization of Vocational-Technical Education Consortium of States (V-TECS) catalogs. Readings are provided on the following subject areas: elements of V-TECS catalogs, performance objectives, performance guides, and criterion-referenced measures; and the proficiencies and attitudes necessary for completing a performance objective. A glossary of terms, a glossary self check, and self checks following each section of readings are provided. (The checkout activity--included in the instructor's handbook, CE 017 440--consists of multiple choice questions keyed to the module behavioral objectives. The modules are designed for use with individuals or with groups.) (JH)