Final answer:
Douglas McGregor identified the Theory Z style of management, distinguishing between Theory X and Theory Y managerial approaches.
Explanation:
Douglas McGregor is responsible for identifying the Theory Z style of management. McGregor combined scientific management and human relations into the notion of leadership behavior, outlining the Theory X and Theory Y managerial models. Theory X managers assume employees are lazy, while Theory Y managers believe employees seek inner satisfaction from work.
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