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adoption study
In behaviour genetics, an investigation of the correlations between adopted children and either their natural parents or their adoptive parents (or both) on a measurable trait in order to estimate ...
agreeableness
The quality of being pleasant. Also, one of the Big Five personality factors, characterized by traits such as kindness, generosity, warmth, unselfishness, and trust. Also called pleasantness. ...
anal triad
In psychoanalysis, the three personality traits of orderliness, parsimony (or meanness), and obstinacy, first identified by Sigmund Freud (1856–1939) as the distinctive adult traits associated with ...
character
A person's character is the sum total of dispositions to action (including thinking and saying). An action is (apparently) out of character if it does not conform to the pattern the person has so far ...
cohort
1 A group of individuals of the same age.2 In plant taxonomy, a little-used term meaning a group of related families.3 In animal taxonomy, a group of orders.
conscientiousness
One of the Big Five personality factors, characterized by traits such as organization, thoroughness, reliability, and practicality, and the relative absence of carelessness, negligence, and ...
DF extremes analysis
In behaviour genetics, a method for estimating the heritability of a disorder such as dyslexia that is defined qualitatively, people being diagnosed as either having the disorder or not having it, ...
dominant
In ecology, the species having the most influence on community composition and form. Sometimes the term is also used to refer to the largest and/or most abundant species in the community.
extraversion
One of the Big Five personality factors, ranging from extreme extraversion, characterized by traits such as sociability and assertiveness, to extreme introversion, characterized by reserve and ...
heritability
A measure of the extent to which a characteristic in an organism is related to genetic, inherited factors relative to the mean of the population.
idiographic
Of or relating to the study of individuals or anything unique, especially approaches to the study of personality that deny the possibility of general laws or traits and stress the uniqueness of ...
implicit personality theory
A set of assumptions that a person makes, often unconsciously, about the correlations between personality traits, including such widespread assumptions as that warmth is positively correlated with ...
independent assortment
The random distribution to the gametes of genes located on different chromosomes. Thus, an individual of genotype Aa Bb will produce equal numbers of four types of gametes: AB, Ab, aB, and ab. See ...
introversion
n.1. (intraversion) an enduring personality trait characterized by interest in the self rather than the outside world. People high in introversion (introverts), as measured by questionnaires and ...
kinship study
In behaviour genetics, a comparison of the correlations between relatives of different known degrees of genetic relatedness on a measurable trait in order to estimate the heritability of that trait, ...
Language Personality Sphere
The set of 4,505 trait names with distinct meanings, located by an exhaustive dictionary search in 1936. The dictionary search located 17,953 trait names, but the number was reduced to 4,505 by ...
little thirty
Specific personality traits associated with the Big Five personality factors. Each of the Big Five is described by six traits on which it loads most heavily, for example, extraversion is associated ...
locus of control
A cognitive style or personality trait characterized by a generalized expectancy about the relationship between behaviour and the subsequent occurrence of reinforcement (1) in the form of reward and ...
masculinizing hormone
A hormone that causes masculine traits to develop in an embryo. See Müllerian inhibiting substance, testosterone.
metatrait
A measure of the relevance of a trait to a person, indicated by the consistency or lack of scatter (measured by the standard deviation) of the individual's responses to a set of personality scale ...