eng Oriental Scientific Publishing Company Biomedical and Pharmacology Journal 0974-6242 2015-12-28 8 2 1015 1023 10.13005/bpj/854 3172 article Seyede Hajar Alavi 1 Sima Marzban 2 Soheyla Gholami 3 Marziye Najafi 4 Roya Rajaee 4 Health Department at Alborz University of Medical Science, Alborz, Iran. Assistant professor at school of health in Shahid Beheshti University of Medical Science. MSc Student of Health Services Management, Health Information Management Research Center, Hormozgan University of Medical Sciences, Bandar Abbas, Iran.​ Student in Health Management Services, School of Health, Shahid Beheshti University of Medical Science, Tehran, Iran. Evidence based management improves organizational decisions as a bridge from theory to practice. Using best available literature and measures to obtain health organizational decisions are of vital important,This study aimed at determining the level of manager’s awareness of evidence based decision making in Tehran public hospitals The cross-sectional study was conducted in 2013, in which purposive sampling of public educational hospital managers of Tehran medical university was done. The data collection tool was a structured questionnaire in 8 sections with ascertained validity and determined reliability of chronbach alpha %78. All data were computed and analyzed by SPSS version18 Software. T test.Chi-square and ANOVA values were calculated to analyze the data . The 70th participants consisted of all the senior and junior managers of public-training hospitals in Tehran University of Medical Sciences, including hospital manager, finance director, director of administration, hospital matron. The managers' awareness of evidence-based management in the hospitals was reported to be equal and was not significantly different. Furthermore, there was no significant correlation between managers' education level and their awareness of evidence-based management and among managers' awareness, marital status, and age. The limited awareness of hospital managers regarding the concept and content of evidence-based management is a major challenge for sophisticated and efficient management in health organizations. https://biomedpharmajournal.org/vol8no2/how-much-is-managers-awareness-of-evidence-based-decision-making/ Decision-making evidence-based management critical thinking awareness