RESUMEN
To examine the relationship between organizational culture and the extent of Quality Improvement Model implementation in a sample of hospitals in Tehran, Iran and Shahid Beheshti Universities of Medical Sciences. This research is a cross sectional study. The statistical population consists of the clinical staff of Rrasoul-Akram, Shahid Modarres and Tehran Heart Center hospitals in which the Quality Improvement Model [ISO 9001-2000] has been implemented. To collect the data, a questionnaire based upon the competing values model was used to assess aspect of organizational culture in selected hospitals and quality improvement implementation questionnaire adopted from Malcom Baldrige National Quality Award was used to determine the extent of implementation of quality improvement initiatives. Research findings indicate that the score average on clan culture is 31.6 in Tehran Heart Center, 19.8 in Rasoul-Akram hospital and 21.25 in Shahid Modarres hospital from 100 score and the extent of quality improvement model [in a likert scale 1-5] is 4.33 in Tehran Heart Center Hospital, 3/54 in Rasoul-Akram Hospital and 3.56 in Shahid Modarres Hospital. In addition, based on the correlation analysis, team [clan] culture has a significant positive correlation with the extent of implementation of quality improvement model in an organization. The finding of this research, support the hypothesized linkage between team culture and quality improvement