The purpose of this quantitative, correlational study using a survey method was to explore whether job stress, job conflict and job ambiguity has an effect on the incidence of groupthink at an acute care hospital. Furthermore, the study sought to find the perception of managerial styles by both managers and nurses to determine if a gap in perception exists. Since the nursing shortage has been reaching an epidemic level nationwide, and the safety of hospitals has been a concern for patients and regulators, this study concerned the areas that need improvement for both the nurse's well-being and effectiveness and for improving patient safety. The first research question concerned whether a relationship between employee perception of work climate and supervisors' managerial style exists, and the second question to what degree would causality orientations predict employee perception of work climate. A positive correlation was not found in both questions. The third question concerned the relationship between job stress, job ambiguity and job conflict and the incidence of groupthink among nurses. Both groups scored average to low average levels of stress in their work, as indicated by the General Health Questionnaire results. Job conflict and job ambiguity are not indicated to be significant because of the positive work climate scores of the employees, as indicated by the Problems at Work Questionnaire results of the nurse managers and the Work Climate Questionnaire results of the nurses. The final question concerned the incidence of the eight main symptoms for groupthink present in the hospital work environment. The eight symptoms of groupthink were tabulated for the nurse and nurse manager groups. Only unanimity was present at moderate levels in the groups, the other symptoms of groupthink were at a low level of incidence. Although two hospitals where the incidence of groupthink was low to moderate were studied, the research revealed that the low to moderate incidence of these factors helped explain the low incidence of groupthink in the organizations.