How Does a Scrum Master Improve the Productivity of the Development Team?

Scrum Masters improve development team productivity by focusing on effectiveness rather than traditional output metrics like lines of code, since delivering valuable software matters more than speed alone. They enhance team performance through four key approaches: facilitating proper Scrum events to eliminate unnecessary meetings, removing impediments that block progress, empowering teams to self-organize and make autonomous decisions, and bridging communication gaps between stakeholders.