Many health care organizations are adopting crew resource management (CRM) training from the aviation industry as a patient safety practice. Although CRM has high face validity, its effects have not been thoroughly evaluated in aviation or health care. Its potential to improve team communication, coordination, and patient safety, however, makes efforts to study CRM necessary and worthwhile. This article evaluates clinicians' attitudes about and reactions to CRM after they participated in an eight-hour, commercially developed training program.