[Similar to me effect among managers of Tehran university of medical sciences]

Introduction: Considering the importance of selecting competent people for governmental organizations to obtain optimal effectiveness and performance, this study aimed to investigate the impact of similar-to-me effect among top and middle managers of Tehran University of Medical Sciences

---

Methods: The present cross- sectional study was conducted on 130 top and middle managers affiliated to Tehran University of Medical Sciences. A valid and reliable questionnaire was used for data collection. Pearson correlation was used to analyze the data

---

Results: There was significant statistical relationships between similar-to-me effect and groupthink [p= 0.005], functional conflict [p= 0.001], and narcissism [P < 0.0001]

---

Conclusion: Based on the results, it is recommended to inform managers about inappropriate impacts of similar-to-me effect by means of education and cultural training