This collection, including the proceedings of a colloquium at TESOL 1979, includes the following papers: (1) "Classification of Oral Proficiency Tests," by H. Madsen and R. Jones; (2) "A Theoretical Framework for Communicative Competence," by M. Canale and M. Swain; (3) "Beyond Faith and Face Validity: The Multitrait-Multimethod Matrix and the Convergent and Discriminant Validity of Oral Proficiency Tests," by D. Stevenson; (4) "Convergent and Discriminant Validation of Integrated and Unitary Language Skills: The Need for a Research Model," by R. Clifford; (5) "Structure of the Oral Interview and Content Validity," by P. Lowe, Jr.; (6) "A Study of the Reliability and Validity of the Ilyin Oral Interview," by A. Engelskirchen, E. Cottrell, and J. Oller, Jr.; (7) "Inter-rater and Intra-rater Reliability of the Oral Interview and Concurrent Validity with Cloze Procedure," by E. Shohamy; (8) "Assessing the Oral Proficiency of Prospective Foreign Teaching Assistants: Instrument Development," by F. Hinofotis, K. Bailey, and S. Stern; (9) "Measurements of Reliability and Validity of Two Picture-Description Tests of Oral Communication," by A. Palmer; (10) "An Experiment in a Picture-Stimuli Procedure for Testing Oral Communication," by L. Bachman; and (11) "A Multitrait-Multimethod Investigation into the Construct Validity of Six Tests of Speaking and Reading," by L. Bachman and A. Palmer. (AMH)