THE PROBLEMS OF INSTRUCTION IN THE PHONOLOGY OF A SECOND LANGUAGE WERE INVESTIGATED. THIS REPORT DEALS PARTICULARY WITH THE PROBLEM OF SEQUENCE OF DISCRIMINATION AND DIFFERENTIATION TRAINING IN FRENCH INSTRUCTION IN THE PRIMARY GRADES. THE BODY OF THE REPORT PRESENTED THE THEORETICAL FRAMEWORK, A DETAILED STATEMENT OF THE PROBLEM, THE DESCRIPTION OF THE EXPERIMENTAL PROCEDURE, RESULTS, AND CONCLUSIONS FOR THE PROJECT. THE APPENDIXES INCLUDED (1) THE INSTRUCTIONAL FRENCH PROGRAM FOR EXPERIMENT 1, (2) THE PROGRAMED MATERIALS FOR EXPERIMENT 2, (3) THE REPLICATION STUDY, AND (4) THE SUMMARY OF THE FINAL REPORT. (GC)