a detailed outline of its purpose and scope, emphasizing the relevance of psychology in management practices. It introduces the concept of the "psychology of management," which explores how directed and undirected work affects both the quality of output and the mindset of workers. Gilbreth discusses the traditional views on management and highlights the shift towards a more scientific and systematic approach, particularly influenced by Fredrick W. Taylor's principles of Scientific Management. The text sets the stage for a deeper exploration of the fundamental ideas that underpin effective management practices, with emphasis on individual differences and effective instructional methods for workers. (This is an automatically generated summary.)