Sociocultural evolution justify new policies such as eugenics. Most 19th-century and some 20th-century approaches aimed to provide models for the evolution of humankind as a single entity. However, most 20th-century approaches, such as multilineal evolution, focused on changes specific to individual societies. Moreover, they rejected directional change (i.e. orthogenetic, teleological or progressive change). Most archaeologists work within the framework of multilineal evolution. Other contemporary approaches to social change include neoevolutionism, sociobiology, dual inheritance theory, modernisation theory and postindustrial theory. In his seminal 1976 book "The Selfish Gene", Richard Dawkins wrote that "there are some examples of cultural evolution in birds and monkeys,
The Evolution of Calpurnia Tate natural world ..." It was the recipient of numerous awards including a 2010 Newbery Honor Award, and also honored with the IRA Children's Book Award, the North Carolina Young Adult Book Award, the TN YA Volunteer State Book Award ML, the Virginia M. Law Award., the Josette Frank Award and the Judy Lopez Book Award. It was included in Chicago Public Library Best of the Best list, the Illinois Rebecca Caudill Young Readers Choice Award Master List, the Texas Lone Star Reading List and was a 2009 Junior Library Guild Selection. The Evolution of Calpurnia Tate The Evolution of Calpurnia