Demonstrated that behavioral marital therapy (BMT) and insight-oriented marital therapy (IOMT) could be rendered in a distinct and uncontaminated fashion in manual-guided outcome research where therapists were crossed with treatment condition. BMT proved to be highly structured, with 93 percent of therapist interventions reflecting behavioral techniques. IOMT comprised 62 percent nonspecific interventions compatible with a psychodynamic orientation. (Author/KS)