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William T. Powers (August 29, 1926 – May 24, 2013) was a medical physicist and an independent scholar of experimental and theoretical psychology [1] [2] [3] who developed the perceptual control theory (PCT) model of behavior as the control of perception. He was the son of the well-known cement scientist and economist Treval Clifford Powers. [4]
Perceptual control theory (PCT) is a model of behavior based on the properties of negative feedback control loops. A control loop maintains a sensed variable at or near a reference value by means of the effects of its outputs upon that variable, as mediated by physical properties of the environment.
The first industrial use of hydropower in the United States to generate electricity occurred in 1880, when 16 brush-arc lamps were powered using a water turbine at the Wolverine Chair and Furniture Factory; operated by William H. Powers, his son. [2] [3] In 1885, William T. Powers & Son purchased and moved their operation to the Michigan Iron ...
William T. Powers (industrialist) (1820–1909), manufacturer and capitalist; William Powers (writer) (born 1961), American writer, journalist and technologist; William Powers (politician) (active 1991–2001), former New York state Republican Party chairman; William F. Powers (born 1940), vice president of research for the Ford Motor Company
The Method of Levels originated in Bill Powers’ phenomenological investigations into the mobility of awareness relative to the perceptual hierarchy. [3] He prepared a description of it for his 1973 book, Behavior: The Control of Perception, but the editor persuaded him to remove that chapter and the chapter on emotion. [4]
Perceptual control theory (PCT) is a psychological theory of animal and human behavior originated by William T. Powers. In contrast with other theories of psychology and behavior, which assume that behavior is a function of perception – that perceptual inputs determine or cause behavior – PCT postulates that an organism's behavior is a ...
William H. Withey 1852 1853 Whig Thomas B. Church 1853 1854 Democratic Wilder D. Foster: 1854 1855 Republican Charles Shepard 1855 1856 Republican John M. Fox 1856 1857 Democratic William T. Powers: 1857 1858 Democratic Gilbert M. McCray 1858 1859 Democratic George K. Johnson 1859 1860 Democratic Martin L. Sweet 1860 1861 Republican George H, White
Gary Cziko is an American researcher, and author [1] in the field of educational psychology at the University of Illinois at Urbana–Champaign who has worked on the philosophical model known as perceptual control theory (PCT) – a model whose original developer, William T. Powers, was his mentor. [2]