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Yale Child Study Center (Founder), [1] Yale University. Arnold Lucius Gesell (21 June 1880 – 29 May 1961) was an American psychologist, pediatrician and professor at Yale University known for his research and contributions to the fields of child hygiene and child development. [2] [3]
The Maturational Theory of child development was introduced in 1925 [ 1] by Dr. Arnold Gesell, an American educator, pediatrician and clinical psychologist whose studies focused on "the course, the pattern and the rate of maturational growth in normal and exceptional children" (Gesell 1928). [ 2] Gesell carried out many observational studies ...
C. H. Waddington. Conrad Hal Waddington CBE FRS FRSE (8 November 1905 – 26 September 1975) was a British developmental biologist, paleontologist, geneticist, embryologist and philosopher who laid the foundations for systems biology, epigenetics, and evolutionary developmental biology . Although his theory of genetic assimilation had a ...
The Supreme Court of the United States has made several rulings regarding evolution in public education. In reaction to the Epperson case, creationists in Louisiana passed a law requiring that public schools should give "equal time" to "alternative theories" of origin. The Supreme Court ruled in 1987 in Edwards v.
E. O. Wilson defined sociobiology as "the extension of population biology and evolutionary theory to social organization". [ 6] Sociobiology is based on the premise that some behaviors (social and individual) are at least partly inherited and can be affected by natural selection. [ 7] It begins with the idea that behaviors have evolved over ...
Developmental systems theory ( DST) is an overarching theoretical perspective on biological development, heredity, and evolution. [ 1] It emphasizes the shared contributions of genes, environment, and epigenetic factors on developmental processes. DST, unlike conventional scientific theories, is not directly used to help make predictions for ...
The history of biology traces the study of the living world from ancient to modern times. Although the concept of biology as a single coherent field arose in the 19th century, the biological sciences emerged from traditions of medicine and natural history reaching back to Ayurveda, ancient Egyptian medicine and the works of Aristotle, Theophrastus and Galen in the ancient Greco-Roman world.
A Civic Biology: Presented in Problems (usually referred to as just Civic Biology) was a biology textbook written by George William Hunter, published in 1914.It is the book which the state of Tennessee required high school teachers to use in 1925 and is best known for its section about evolution that was ruled by a local court to be in violation of the state Butler Act.