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Genetic correlation. In multivariate quantitative genetics, a genetic correlation (denoted or ) is the proportion of variance that two traits share due to genetic causes, [1][2][3] the correlation between the genetic influences on a trait and the genetic influences on a different trait [4][5][6][7][8][9] estimating the degree of pleiotropy or ...
Life chances. Life chances (Lebenschancen in German) is a theory in sociology which refers to the opportunities each individual has to improve their quality of life. The concept was introduced by German sociologist Max Weber in the 1920s. [1] It is a probabilistic concept, describing how likely it is, given certain factors, that an individual's ...
Genetic distance is measured by the fixation index (F ST). F ST is the correlation of randomly chosen alleles in a subgroup to a larger population. It is often expressed as a proportion of genetic diversity. This comparison of genetic variability within (and between) populations is used in population genetics. The values range from 0 to 1; zero ...
The genetics of social behavior is an area of research that attempts to address the question of the role that genes play in modulating the neural circuits in the brain which influence social behavior. Model genetic species, such as D.melanogaster (common fruit fly) and Apis mellifera (honey bee), have been rigorously studied and proven to be ...
Galton was a polymath who made important contributions in many fields, including meteorology (the anticyclone and the first popular weather maps), statistics (regression and correlation), psychology (synaesthesia), biology (the nature and mechanism of heredity), and criminology (fingerprints). Much of this was influenced by his penchant for ...
Social statistics. Social statistics is the use of statistical measurement systems to study human behavior in a social environment. This can be accomplished through polling a group of people, evaluating a subset of data obtained about a group of people, or by observation and statistical analysis of a set of data that relates to people and their ...
Theory of generations (or sociology of generations) is a theory posed by Karl Mannheim in his 1928 essay, "Das Problem der Generationen," and translated into English in 1952 as "The Problem of Generations." [1] This essay has been described as "the most systematic and fully developed" and even "the seminal theoretical treatment of generations ...
The coefficient of relationship is a measure of the degree of consanguinity (or biological relationship) between two individuals. The term coefficient of relationship was defined by Sewall Wright in 1922, and was derived from his definition of the coefficient of inbreeding of 1921. The measure is most commonly used in genetics and genealogy.