This study explores the dynamics of multiple social networks among healthcare professionals during a process-based reorganization in a hospital department, specifically examining how these relationships influence collaboration and adaptability amidst change. Utilizing a social network analysis framework, we investigate the interplay between advice and subject matter expertise (SME) networks among 67 healthcare professionals in a major Italian hospital. The findings reveal that the presence of multiplex ties—relationships characterized by various forms of interaction—facilitates enhanced collaboration and knowledge sharing, thereby improving the efficacy of organizational change initiatives. Notably, differing intentions regarding change among healthcare professionals can hinder the formation of new ties, indicating the importance of alignment in perceptions for successful network evolution. Ultimately, this study provides valuable insights into the transformative role of social networks in healthcare environments, contributing to a better understanding of how to leverage these networks for improved outcomes in patient care and organizational efficiency.
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