Final answer:
Robert Katz's research identifies Human skills as one of the three key skills possessed by experienced managers, which includes effectively working with, motivating, and leading teams.
Step-by-step explanation:
According to researcher Robert Katz, one of the three principal skills acquired by experienced managers is Human skills. Human skills involve the ability to work with, understand, motivate, and lead teams. This includes valuing human connection, communicating effectively, and reducing frustration and anxiety in the workplace. Katz's model highlights the importance of managerial proficiency in nurturing cooperative efforts and building interpersonal relationships within an organization.
Managers need to possess the capacity to interact with others empathetically and develop strong and productive team dynamics. The emphasis on human skills complements the understanding that successful management involves more than just technical or conceptual skills; it includes the softer skills that enable effective team and interpersonal management.