This study provides an analysis of case law concerning applied behavior analysis (ABA) for students with autism to determine outcome-related factors. The authors classified the 68 pertinent hearing/review officer and court decisions published in EHLR ("Education for Handicapped Law Report") and IDELR ("Individuals with Disabilities Education Law Report") into 2 groups representing the central issues of contention between parents and districts -- program selection (e.g., instructional approach) and program implementation (e.g., its location, duration, or frequency). For both groups, the outcomes, in terms of who won, did not favor either parents or districts. The three factors predominantly associated with wins by either party for both groups of decisions were testimony of witnesses, documentation of progress, and Individualized Education Program elements.